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356 Vehicle Care
4. With the coolant surge tank pressure capoff, start the engine and let it run until
the engine coolant temperature gauge
indicates approximately 90 °C (195 °F).
By this time, the coolant level inside the
coolant surge tank may be lower. If the
level is lower, add more of the proper
mixture to the coolant surge tank until
the level reaches the indicated mark.
5. Replace the pressure cap tightly.
6. Verify coolant level after the engine is shut off and the coolant is cold.
If necessary, repeat coolant fill procedure
Steps 1–6.
Caution
If the pressure cap is not tightly installed,
coolant loss and engine damage may
occur. Be sure the cap is properly and
tightly secured.
Engine Overheating
If the vehicle has the Duramax diesel
engine, see the Duramax diesel supplement.
Caution
Do not run the engine if there is a leak
in the engine cooling system. This can
cause a loss of all coolant and can
damage the system and vehicle. Have
any leaks fixed right away.
The vehicle has several indicators to warn of
engine overheating.
There is a coolant temperature gauge in the
vehicle's instrument cluster. See Engine
Coolant Temperature Gauge 0115.
In addition, there are ENGINE OVERHEATED
STOP ENGINE, ENGINE OVERHEATED IDLE
ENGINE, and ENGINE POWER IS REDUCED
messages in the Driver Information
Center (DIC).
If the decision is made not to lift the hood
when this warning appears, get service help
right away. See Roadside Assistance Program
0 445.
If the decision is made to lift the hood,
make sure the vehicle is parked on a level
surface. 2.7L L4, 5.3L V8, and 6.2L V8 Engines
Check to see if the engine cooling fans are
running. If the engine is overheating, the
fans should be running. If they are not, do
not continue to run the engine and have the
vehicle serviced.
If the engine or transmission detects an
impending hot fluid condition, then the
transmission may force upshifts to limit
temperatures. Downshifts may also be
prevented in this instance. Normal operation
may continue unless the display indicates
there is a hot condition and engine should
be idled.
If Steam is Coming from the Engine
Compartment
{Warning
Steam and scalding liquids from a hot
cooling system are under pressure.
Turning the pressure cap, even a little,
can cause them to come out at high
speed and you could be burned. Never
turn the cap when the cooling system,
including the pressure cap, is hot. Wait
for the cooling system and pressure cap
to cool.
GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
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376 Vehicle Care
Back
The vehicle may not be equipped with all of
the fuses, relays, and features shown. Fuses Usage
F1 Right Doors
F2 Left Doors
F3 –
F4 ELM –Exterior Lighting
Module 2
F5 High Definition localization Module/Instrument Panel
Cluster/Heads-up Display/
Humidity/Integrated Center
Stack
F6 Front Blower
F8 Left Front Window Switch
F10 Steering Tilt (LD)/Upfitter Vehicle Module (HD)
F11 Video Processing Module/ Overhead Control Camera
F12 Central Gateway Module/ Telematics Control
Platform/Column Lock/
Driver Monitor System
F14 –
F17 Steering Wheel Controls
F18 – Fuses
Usage
F19 –
F20 –
F21 –
F22 Heated Steering Wheel
F23 –
F24 –
F25 Spot Lamp Left/Right
F26 USB Ports/Special Equipment option Retained
Accessory Power
F27 Accessory Power Outlet/ Retained Accessory Power
F28 Accessory Power Outlet/ Battery
F30 Sensing and Diagnostic Module/Automatic
Occupant Sensing
F31 Body Control Module 3
F32 Remote Function Actuator/ Wireless Charging Module/
Aux Jack/Center Stack
Module Aux Jack/Trailer
Brake Control Switch
GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-15883563) - 2022 - CRC - 11/19/21
386 Vehicle Care
mounted onto each tire and wheel
assembly, excluding the spare tire and
wheel assembly. The TPMS sensors monitor
the air pressure in the tires and transmit the
tire pressure readings to a receiver located
in the vehicle.
When a low tire pressure condition is
detected, the TPMS illuminates the low tire
pressure warning light located on the
instrument cluster. If the warning light
comes on, stop as soon as possible and
inflate the tires to the recommended
pressure shown on the Tire and Loading
Information label. SeeVehicle Load Limits
0 215.
A message to check the pressure in a
specific tire displays in the Driver
Information Center (DIC). The low tire
pressure warning light and the DIC warning
message come on at each ignition cycle
until the tires are inflated to the correct
inflation pressure. If the vehicle has DIC
buttons, tire pressure levels can be viewed. For additional information and details
about the DIC operation and displays, see
Driver Information Center (DIC) (Base Level)
0
128 or
Driver Information Center (DIC) (Uplevel)
0 130.
The low tire pressure warning light may
come on in cool weather when the vehicle is
first started, and then turn off as the vehicle
is driven. This could be an early indicator
that the air pressure is getting low and
needs to be inflated to the proper pressure.
A Tire and Loading Information label shows
the size of the original equipment tires and
the correct inflation pressure for the tires
when they are cold. See Vehicle Load Limits
0 215, for an example of the Tire and
Loading Information label and its location.
Also see Tire Pressure 0384.
The TPMS can warn about a low tire
pressure condition but it does not replace
normal tire maintenance. See Tire Inspection
0 389, Tire Rotation 0390 and
Tires 0377.
Caution
Tire sealant materials are not all the
same. A non-approved tire sealant could
damage the TPMS sensors. TPMS sensor
damage caused by using an incorrect tire
sealant is not covered by the vehicle
warranty. Always use only the GM
approved tire sealant available through
your dealer or included in the vehicle.
TPMS Malfunction Light and Message
The TPMS will not function properly if one
or more of the TPMS sensors are missing or
inoperable. When the system detects a
malfunction, the low tire pressure warning
light flashes for about one minute and then
stays on for the remainder of the ignition
cycle. A DIC warning message also displays.
The malfunction light and DIC warning
message come on at each ignition cycle
until the problem is corrected. Some of the
conditions that can cause these to come
on are:
.One of the road tires has been replaced
with the spare tire. The spare tire does
not have a TPMS sensor. The malfunction
light and the DIC message should go off
after the road tire is replaced and the
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Vehicle Care 413
10. Disconnect the negative (–) batterycable. See “Negative Battery Cable
Disconnection” inBattery - North
America 0361.
Caution
If the steering column is locked, vehicle
damage may occur.
11. Move the steering wheel to make sure the steering column is unlocked.
12. For column shift transmissions, verify the transmission is in P (Park). Failing to put
the transmission into Park before flat
towing can damage the transmission.
13. Keep the RKE transmitter outside of the vehicle and manually lock the doors.
Access the vehicle by using the key in
the door lock. See Door Locks021.
Disconnecting the Towed Vehicle
Before disconnecting from the tow vehicle: 1. Park on a level surface. Secure the vehicle with wheel blocks.
2. Re-connect the negative (–) battery. See Battery - North America 0361. 3. Turn on the ignition without starting the
engine. With your foot off the brake
pedal, press and hold ENGINE START/
STOP for five seconds until the green
light comes on the button is illuminated.
See Ignition Positions 0222.
4. Set the parking brake. See Electric
Parking Brake 0245.
5. Disconnect from the tow vehicle.
6. Start the engine.
7. Shift the transmission to N (Neutral).
8. Shift the transfer case to 2
m(Two-Wheel
Drive High). When the shift to 2
m
(Two-Wheel Drive High) is complete, the
light in the instrument cluster will stop
flashing and stay lit. See
Four-Wheel-Drive Light 0122.
9. Check that the vehicle is in 2
m
(Two-Wheel Drive High) by starting the
engine and shifting the transmission to
D (Drive) and then to R (Reverse). There
should be movement of the vehicle while
shifting.
10. Shift the transmission to P (Park) and turn off the ignition.
11. Release the parking brake and remove the wheel blocks. 12. Reset any lost presets.
The outside temperature display will
default to 0 °C (32 °F) but will reset with
normal usage.
Dolly Towing
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Vehicle Care 421
3. Start on the outside edge of the soil andgently rub toward the center. Fold the
cleaning cloth to a clean area frequently
to prevent forcing the soil into the
fabric.
4. Continue gently rubbing the soiled area until there is no longer any color
transfer from the soil to the cleaning
cloth.
5. If the soil is not completely removed, use a mild soap solution followed only
by plain water.
If the soil is not completely removed, it may
be necessary to use a commercial upholstery
cleaner or spot lifter. Test a small hidden
area for colorfastness before using a
commercial upholstery cleaner or spot lifter.
If ring formation occurs, clean the entire
fabric or carpet.
After cleaning, use a paper towel to blot
excess moisture.
Cleaning High Gloss Surfaces and Vehicle
Information and Radio Displays
Use a microfiber cloth on high gloss surfaces
or vehicle displays. First, use a soft bristle
brush to remove dirt that can scratch the
surface. Then gently clean by rubbing with a
microfiber cloth. Never use window cleaners or solvents. Periodically hand wash the
microfiber cloth separately, using mild soap.
Do not use bleach or fabric softener. Rinse
thoroughly and air dry before next use.
Caution
Do not attach a device with a suction cup
to the display. This may cause damage
and would not be covered by the vehicle
warranty.
Instrument Panel, Leather, Vinyl, Other
Plastic Surfaces, Low Gloss Paint
Surfaces, and Natural Open Pore Wood
Surfaces
Use a soft bristle brush to remove dust from
knobs and crevices on the instrument
cluster. Use a soft microfiber cloth
dampened with water to remove dust and
loose dirt. For a more thorough cleaning,
use a soft microfiber cloth dampened with a
mild soap and water solution.
Caution
Soaking or saturating leather, especially
perforated leather, as well as other
interior surfaces, may cause permanent
damage. Wipe excess moisture from
(Continued)
Caution (Continued)
these surfaces after cleaning and allow
them to dry naturally. Never use heat,
steam, or spot removers. Do not use
liquids that contain alcohol or solvents on
leather seats. Do not use cleaners that
contain silicone or wax-based products.
Cleaners containing these solvents can
permanently change the appearance and
feel of leather or soft trim, and are not
recommended.
Do not use cleaners that increase gloss,
especially on the instrument panel. Reflected
glare can decrease visibility through the
windshield under certain conditions.
Caution
Use of air fresheners may cause
permanent damage to plastics and
painted surfaces. If an air freshener
comes in contact with any plastic or
painted surface in the vehicle, blot
immediately and clean with a soft cloth
dampened with a mild soap solution.
Damage caused by air fresheners would
not be covered by the vehicle warranty.
GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
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432 Service and Maintenance
.Trained dealer technicians have the
diagnostic equipment to test the battery
and ensure that the connections and
cables are corrosion-free.
Belts
.Belts may need replacing if they squeak
or show signs of cracking or splitting.
.Trained dealer technicians have access to
tools and equipment to inspect the belts
and recommend adjustment or
replacement when necessary.
Brakes
Brakes stop the vehicle and are crucial to
safe driving.
.Signs of brake wear may include chirping,
grinding, or squealing noises, or difficulty
stopping.
.Trained dealer technicians have access to
tools and equipment to inspect the brakes
and recommend quality parts engineered
for the vehicle. Fluids
Proper fluid levels and approved fluids
protect the vehicle’s systems and
components. See
Recommended Fluids and
Lubricants 0434 for GM approved fluids.
.Engine oil and windshield washer fluid
levels should be checked at every fuel fill.
.Instrument cluster lights may come on to
indicate that fluids may be low and need
to be filled.
Hoses
Hoses transport fluids and should be
regularly inspected to ensure that there are
no cracks or leaks. With a multi-point
inspection, your dealer can inspect the hoses
and advise if replacement is needed.
Lamps
Properly working headlamps, taillamps, and
brake lamps are important to see and be
seen on the road.
.Signs that the headlamps need attention
include dimming, failure to light, cracking,
or damage. The brake lamps need to be
checked periodically to ensure that they
light when braking.
.With a multi-point inspection, your dealer
can check the lamps and note any
concerns.
Shocks and Struts
Shocks and struts help aid in control for a
smoother ride.
.Signs of wear may include steering wheel
vibration, bounce/sway while braking,
longer stopping distance, or uneven
tire wear.
.As part of the multi-point inspection,
trained dealer technicians can visually
inspect the shocks and struts for signs of
leaking, blown seals, or damage, and can
advise when service is needed.
Tires
Tires need to be properly inflated, rotated,
and balanced. Maintaining the tires can save
money and fuel, and can reduce the risk of
tire failure.
.Signs that the tires need to be replaced
include three or more visible treadwear
indicators; cord or fabric showing through
the rubber; cracks or cuts in the tread or
sidewall; or a bulge or split in the tire.
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Index 463
Center High-Mounted Stoplamp(CHMSL) and Cargo Lamp . . . . . . . . . . . . . . 367
Center Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Chains, Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 395
Charging Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Charging System Light . . . . . . . . . . . . . . . . . . . . 119
Check
Engine Light (Malfunction Indicator) . . . . 119
Child Restraints Infants and Young Children . . . . . . . . . . . . . 73
Lower Anchors and Tethers for
Children . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Older Children . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Securing . . . . . . . . . . . . . . . . . . . . . . . . 89, 93, 95
Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . 370
Cleaning Exterior Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 414
Interior Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 419
Climate Control Systems . . . . . . . . . . . . . . . . . 196
Air Conditioning . . . . . . . . . . . . . . . . . . . . . . . 196
Dual Automatic . . . . . . . . . . . . . . . . . . . . . . . . 198
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Cluster, Instrument . . . . . . . . . . . . . . . . . . 109, 110
Collision Damage Repair . . . . . . . . . . . . . . . . . 448 Compartments
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Connected Services Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 458
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 460
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 458
Connections Connected Services . . . . . . . . . . . . . . . . . . . . 458
Control Hill Descent . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Traction and Electronic Stability . . . . . . . 247
Control Light Hill Descent . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Control of a Vehicle . . . . . . . . . . . . . . . . . . . . . 207
Controls Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . 158
Convex Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Coolant Engine Temperature Gauge . . . . . . . . . . . . . 115
Engine Temperature Warning Light . . . . 125
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196, 198
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . 352
Courtesy Transportation Program . . . . . . . . 447
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Cruise Control, Adaptive . . . . . . . . . . . . . . . . . 256
Cruise Control, Super . . . . . . . . . . . . . . . . . . . . 267 Cupholders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Customer Assistance . . . . . . . . . . . . . . . . . . . . . 444
Offices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
Text Telephone (TTY) Users . . . . . . . . . . . . 444
Customer Information Publications Ordering Information . . . . . 449
Customer Satisfaction Procedure . . . . . . . . . 442
Cybersecurity . . . . . . . . . . . . . . . . . . . . . . . . . . . . .451
D
Damage Repair, Collision . . . . . . . . . . . . . . . . . 448
Danger, Warning, and Caution . . . . . . . . . . . . . .2
Data Collection
Infotainment System . . . . . . . . . . . . . . . . . . 452
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 452
Data Recorders, Event . . . . . . . . . . . . . . . . . . . 452
Daytime Running Lamps (DRL) . . . . . . . . . . . .147
Defensive Driving . . . . . . . . . . . . . . . . . . . . . . . . 206
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Destination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Diagnostics Connected Services . . . . . . . . . . . . . . . . . . . . 460
Differential, Limited-Slip . . . . . . . . . . . . . . . . . 252
Distracted Driving . . . . . . . . . . . . . . . . . . . . . . . . 206
Dome Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . 22
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466 Index
Heated (cont'd)Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . 102
Heated and Ventilated Front Seats . . . . . . . .52
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196, 198
High-Beam On Light . . . . . . . . . . . . . . . . . . . . . . 127
Hill and Mountain Roads . . . . . . . . . . . . . . . . . 213
Hill Descent Control (HDC) . . . . . . . . . . . . . . . 249
Hill Descent Control Light . . . . . . . . . . . . . . . . . 122
Hill Start Assist (HSA) . . . . . . . . . . . . . . . . . . . . 247
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
How to Wear Seat Belts Properly . . . . . . . . . 56
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196, 198
I
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . . . 222
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Indicator Pedestrian Ahead . . . . . . . . . . . . . . . . . . . . . . 123
Vehicle Ahead . . . . . . . . . . . . . . . . . . . . . . . . . 123
Infants and Young Children, Restraints . . . . .73
Information Publication Ordering . . . . . . . . . . . . . . . . . . . 449
Infotainment System . . . . . . . . . . . . . . . . . . . . 452
Instrument Cluster . . . . . . . . . . . . . . . . . . . 109, 110 Instrument Panel Overview . . . . . . . . . . . . . . . . 4
Interior Rearview Mirrors . . . . . . . . . . . . . . . . . .37
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 1, 155
J
Jump Starting - North America . . . . . . . . . . . 407
K
Keyless Entry
Remote (RKE) System . . . . . . . . . . . . . . . . . . . 14
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
L
Labeling, Tire Sidewall . . . . . . . . . . . . . . . . . . . 379
Lamps Auxiliary Roof Mounted Lamp . . . . . . . . . 150
Daytime Running (DRL) . . . . . . . . . . . . . . . . 147
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Exterior Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Exterior Controls . . . . . . . . . . . . . . . . . . . . . . . 145
Exterior Lamps Off Reminder . . . . . . . . . . 147
Exterior Lighting Battery Saver . . . . . . . . 154
License Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . 368
Malfunction Indicator (CheckEngine) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
On Reminder . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Lane Change Alert (LCA) . . . . . . . . . . . . . . . . . 299
Lane Departure Warning (LDW) . . . . . . . . . . 301 Lane Keep Assist (LKA) . . . . . . . . . . . . . . . . . . . 302
Lane Keep Assist Light . . . . . . . . . . . . . . . . . . . . 123
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . . . 58
LATCH System
Replacing Parts after a Crash . . . . . . . . . . . 89
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
LED Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Illumination Control . . . . . . . . . . . . . . . . . . . 152
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
Task . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Lights Airbag Readiness . . . . . . . . . . . . . . . . . . . . . . . 118
Antilock Brake System (ABS)
Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Brake System Warning . . . . . . . . . . . . . . . . . 121
Charging System . . . . . . . . . . . . . . . . . . . . . . . 119
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . 128
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Driver Mode Control . . . . . . . . . . . . . . . . . . . 125
Electric Parking Brake . . . . . . . . . . . . . . . . . . . 121
Engine Coolant Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125