2018 CHEVROLET SILVERADO cruise control

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
276 Driving and Operating
Ride Control Systems
Traction Control/
Electronic Stability
Control
System Operation
The vehicle has a Traction Control
System (TCS) and StabiliTrak®, an
electronic stability control system.
These systems help limit wheel spin
and assist the driver in maintaining
control, especially on slippery road
conditions.
TCS activates if it senses any of the
drive wheels are spinning or
beginning to lose traction. When this
happens, TCS applies the brakes to
the spinning wheels and reduces
engine power to limit wheel spin.
StabiliTrak activates when the
vehicle senses a difference between
the intended path and the direction
the vehicle is actually traveling.
StabiliTrak selectively applies
braking pressure to any one of the
vehicle wheel brakes to assist the
driver in keeping the vehicle on the intended path. Trailer Sway Control
(TSC) is also on automatically when
the vehicle is started. See
Trailer
Sway Control (TSC) 0327.
If cruise control is being used and
traction control or StabiliTrak begins
to limit wheel spin, cruise control will
disengage. Cruise control may be
turned back on when road
conditions allow.
Both systems come on
automatically when the vehicle is
started and begins to move. The
systems may be heard or felt while
they are operating or while
performing diagnostic checks. This
is normal and does not mean there
is a problem with the vehicle.
It is recommended to leave both
systems on for normal driving
conditions, but it may be necessary
to turn TCS off if the vehicle gets
stuck in sand, mud, ice, or snow.
See If the Vehicle Is Stuck 0238
and “Turning the Systems Off and
On” later in this section. When the transfer case (if equipped)
is in Four-Wheel Drive Low, the
stability system is automatically
disabled,
gcomes on, and the
appropriate message will appear on
the DIC. Both traction control and
StabiliTrak are automatically
disabled in this condition.
The indicator light for both systems
is in the instrument cluster. This
light will:
. Flash when TCS is limiting
wheel spin
. Flash when StabiliTrak is
activated
. Turn on and stay on when either
system is not working
If either system fails to turn on or to
activate, a message displays in the
Driver Information Center (DIC), and
dcomes on and stays on to

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
Driving and Operating 279
Cruise Control
{Warning
Cruise control can be dangerous
where you cannot drive safely at
a steady speed. Do not use
cruise control on winding roads or
in heavy traffic.
Cruise control can be dangerous
on slippery roads. On such roads,
fast changes in tire traction can
cause excessive wheel slip, and
you could lose control. Do not use
cruise control on slippery roads.
With cruise control a speed of about
40 km/h (25 mph) or more can be
maintained without keeping your
foot on the accelerator. Cruise
control does not work at speeds
below about 40 km/h (25 mph).
If equipped with an Allison or
Hydra-Matic 6-speed automatic
transmission, see “Tow/Haul Mode
Grade Braking” underTow/Haul
Mode 0262 for an explanation of how cruise control interacts with the
Range Selection Mode, Tow/Haul
Mode, and Grade Braking systems.
If the cruise control is being used
and the Traction Control System
(TCS) or StabiliTrak begins to limit
wheel spin, the cruise control will
automatically disengage. See
Traction Control/Electronic Stability
Control
0276. When road
conditions allow you to safely use it
again, cruise control can be turned
back on.
If the brakes are applied, cruise
control disengages.
5: Press to turn the system on or
off. The indicator light is white when
cruise control is on and turns off
when cruise control is off.
+RES : If there is a set speed in
memory, press briefly to resume to
that speed or press and hold to
accelerate. If cruise control is
already active, use to increase
vehicle speed.
SET− :Press briefly to set the
speed and activate cruise control.
If cruise control is already active,
use to decrease vehicle speed.
*: Press to disengage cruise
control without erasing the set
speed from memory.
Setting Cruise Control
If
5is on when not in use, SET− or
+RES could get pressed and go into
cruise when not desired. Keep
5
off when cruise is not being used.
1. Press
5to turn the cruise
system on.
2. Get up to the desired speed.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
280 Driving and Operating
3. Press and release SET−.
4. Remove your foot from theaccelerator.
The cruise control indicator on the
instrument cluster turns green after
cruise control has been set to the
desired speed. See Instrument
Cluster 0137.
Resuming a Set Speed
If the cruise control is set at a
desired speed and then the brakes
are applied or
*is pressed, the
cruise control is disengaged without
erasing the set speed from memory.
Once the vehicle speed reaches
about 40 km/h (25 mph) or more,
briefly press +RES. The vehicle
returns to the previous set speed.
Increasing Speed While Using
Cruise Control
If the cruise control system is
already activated:
. Press and hold +RES until the
desired speed is reached, then
release it. .
To increase vehicle speed in
small increments, briefly press
+RES. For each press, the
vehicle goes about 1.6 km/h
(1 mph) faster.
The speedometer reading can be
displayed in either English or metric
units. See Instrument Cluster 0137.
The increment value used depends
on the units displayed.
Reducing Speed While Using
Cruise Control
If the cruise control system is
already activated:
. Press and hold SET– until the
desired lower speed is reached,
then release it.
. To slow down in small
increments, briefly press SET–.
For each press, the vehicle goes
about 1.6 km/h (1 mph) slower.
The speedometer reading can be
displayed in either English or metric
units. See Instrument Cluster 0137.
The increment value used depends
on the units displayed. Passing Another Vehicle While
Using Cruise Control
Use the accelerator pedal to
increase the vehicle speed. When
you take your foot off the pedal, the
vehicle will slow down to the
previous set cruise speed. While
pressing the accelerator pedal or
shortly following the release to
override cruise control, briefly
pressing SET–
will result in cruise
control set to the current vehicle
speed.
Using Cruise Control on Hills
How well the cruise control works
on hills depends on the vehicle
speed, the load, and the steepness
of the hills. When going up steep
hills, pressing the accelerator pedal
may be necessary to maintain
vehicle speed.
While going downhill:
. Vehicles with a 6-speed
automatic transmission and a
gasoline engine have Cruise
Grade Braking to help maintain
driver selected speed.

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
Driving and Operating 281
Cruise Grade Braking is enabled
when the vehicle is started and
cruise control is active. It is not
enabled in Range Selection
Mode. It assists in maintaining
driver selected speed when
driving on downhill grades by
using the engine and
transmission to slow the vehicle.
To disable and enable Cruise
Grade Braking for the current
ignition key cycle, press and
hold the Tow/Haul button for
five seconds. A DIC message
displays. SeeVehicle Messages
0 159.
. Vehicles with a diesel engine
have Cruise Grade Braking
enabled when Tow/Haul Mode is
on, the exhaust brake is on,
or both are on. For other forms of descent control,
see
Hill Descent Control (HDC)
0 277, Automatic Transmission
0 257, and Tow/Haul Mode 0262.
Ending Cruise Control
There are four ways to end cruise
control:
. Step lightly on the brake pedal.
. Press
*.
. Shift the transmission to
N (Neutral).
. To turn off cruise control,
press
5.
Erasing Speed Memory
The cruise control set speed is
erased from memory if
5is pressed
or the ignition is turned off.
Driver Assistance
Systems
This vehicle may have features that
work together to help avoid crashes
or reduce crash damage while
driving, backing, and parking. Read
this entire section before using
these systems.
{Warning
Do not rely on the Driver
Assistance Systems. These
systems do not replace the need
for paying attention and driving
safely. You may not hear or feel
alerts or warnings provided by
these systems. Failure to use
proper care when driving may
result in injury, death, or vehicle
damage. See Defensive Driving
0 228.
(Continued)

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
286 Driving and Operating
Warning (Continued)
or ice, or if the windshield is
damaged. It may also not detect a
vehicle on winding or hilly roads,
or in conditions that can limit
visibility such as fog, rain,
or snow, or if the headlamps or
windshield are not cleaned or in
proper condition. Keep the
windshield, headlamps, and FCA
sensors clean and in good repair.
Collision Alert
When your vehicle approaches
another detected vehicle too rapidly,
the red FCA display will flash on the
windshield. Also, eight rapid
high-pitched beeps will sound from
the front, or both sides of the Safety
Alert Seat will pulse five times.
When this Collision Alert occurs, the
brake system may prepare for driver
braking to occur more rapidly which
can cause a brief, mild deceleration.
Continue to apply the brake pedal
as needed. Cruise control may be
disengaged when the Collision Alert
occurs.
Tailgating Alert
The vehicle ahead indicator will
display amber when you are
following a detected vehicle ahead
much too closely.
Selecting the Alert Timing
The Collision Alert control is on the
steering wheel. Press
[to set the
FCA timing to Far, Medium, Near,
or Off. The first button press shows
the current setting on the DIC.
Additional button presses will
change this setting. The chosen
setting will remain until it is changed
and will affect the timing of both the
Collision Alert and the Tailgating
Alert features. The timing of both
alerts will vary based on vehicle
speed. The faster the vehicle speed,
the farther away the alert will occur.
Consider traffic and weather

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
Index 489
California (cont'd)Perchlorate Materials
Requirements . . . . . . . . . . . . . . . 336
California
Proposition
65 Warning . . . . . . . . . .336, 362, 421, Back Cover
Canadian Vehicle Owners . . . . . . . . 2
Capacities and Specifications . . . . . . . . . . . . . . . . . 457
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 256
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . . 43
Winter Driving . . . . . . . . . . . . . . . . 237
Cargo Tie-Downs . . . . . . . . . . . . . . . . . . . . 126
Cargo Lamp . . . . . . . . . . . . . . . . . . . . 177
Caution, Danger, and Warning . . . . 3
Center Console Storage . . . . . . . . 125
Center High-Mounted Stoplamp (CHMSL) and
Cargo Lamp . . . . . . . . . . . . . . . . . . . 375
Center Seat . . . . . . . . . . . . . . . . . . . . . 59
Chains, Tire . . . . . . . . . . . . . . . . . . . . 408
Charging
Wireless . . . . . . . . . . . . . . . . . . . . . . 134
Charging System Light . . . . . . . . . 147 Check
Engine Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 147
Ignition Transmission Lock . . . 368
Child Restraints Infants and Young Children . . . . . 94
Lower Anchors and Tethersfor Children . . . . . . . . . . . . . . . . . . . 99
Older Children . . . . . . . . . . . . . . . . . . 92
Securing . . . . . . . . . . . . . 111, 114, 115
Systems . . . . . . . . . . . . . . . . . . . . . . . . 96
Circuit Breakers . . . . . . . . . . . . . . . . 376
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 430
Interior Care . . . . . . . . . . . . . . . . . . 436
Climate Control
Systems . . . . . . . . . . . . . . . . . 216, 218
Air Conditioning . . . . . . . . . 216, 218
Dual Automatic . . . . . . . . . . . . . . . 220
Heating . . . . . . . . . . . . . . . . . . 216, 218
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Cluster, Instrument . . . . . . . . . . . . . 137
Clutch, Hydraulic . . . . . . . . . . . . . . . 351
Collision Damage Repair . . . . . . . 468
Compartments
Storage . . . . . . . . . . . . . . . . . . . . . . . 124
Compass . . . . . . . . . . . . . . . . . . . . . . . 131 Connections
OnStar . . . . . . . . . . . . . . . . . . . . . . . 478
Control Hill Descent . . . . . . . . . . . . . . . . . . 277
Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . 276
Control Light
Hill Descent . . . . . . . . . . . . . . . . . . 151
Control of a Vehicle . . . . . . . . . . . . . 228
Convex Mirrors . . . . . . . . . . . . . . . . . . 47
Coolant Engine Temperature Gauge . . 142
Cooling . . . . . . . . . . . . . . .216, 218, 220
Cooling System . . . . . . . . . . . . . . . . . 352
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 467
Cruise Control . . . . . . . . . . . . . . . . . . 279 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Cupholders . . . . . . . . . . . . . . . . . . . . . 125
Customer Assistance . . . . . . . . . . . 464 Offices . . . . . . . . . . . . . . . . . . . . . . . . 463
Text Telephone (TTY)
Users . . . . . . . . . . . . . . . . . . . . . . . 464
Customer Information Service Publications
Ordering Information . . . . . . . . 470
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 461

Chevrolet Silverado Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349200) - 2018 - CRC - 2/27/18
Index 493
Lamps (cont'd)Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 180
Malfunction Indicator
(Check Engine) . . . . . . . . . . . . . 147
On Reminder . . . . . . . . . . . . . . . . . 154
Reading . . . . . . . . . . . . . . . . . . . . . . 178
Taillamps . . . . . . . . . . . . . . . . . . . . . 373
Lane Departure
Warning (LDW) . . . . . . . . . . . . . . . . 288
Lane Departure Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Lane Keep Assist (LKA) . . . . . . . . 290
Lane Keep Assist Light . . . . . . . . . 151
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . . . 75
Lap-Shoulder Belt . . . . . . . . . . . . . . . 71
LATCH System Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . . 111
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . 99
LED Lighting . . . . . . . . . . . . . . . . . . . . 371
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . 179
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Illumination Control . . . . . . . . . . . 177
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 371 Lights
Airbag On-Off . . . . . . . . . . . . . . . . . 144
Airbag Readiness . . . . . . . . . . . . . 144
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 150
Brake System Warning . . . . . . . 149
Charging System . . . . . . . . . . . . . 147
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . 147
Cruise Control . . . . . . . . . . . . . . . . 154
Flash-to-Pass . . . . . . . . . . . . . . . . . 174
Four-Wheel-Drive . . . . . . . . . . . . . 150
Front Fog Lamp . . . . . . . . . . . . . . 154
High-Beam On . . . . . . . . . . . . . . . . 154
High/Low Beam Changer . . . . . 173
Hill Descent Control . . . . . . . . . . 151
Lane Departure Warning . . . . . . 151
Lane Keep Assist . . . . . . . . . . . . . 151
Low Fuel Warning . . . . . . . . . . . . 153
Seat Belt Reminders . . . . . . . . . . 143
Security . . . . . . . . . . . . . . . . . . . . . . 153
StabiliTrak OFF . . . . . . . . . . . . . . . 152
Tire Pressure . . . . . . . . . . . . . . . . . 153
Tow/Haul Mode . . . . . . . . . . . . . . . 150
Traction Control System (TCS)/StabiliTrak . . . . . . . . . . . . 152
Traction Off . . . . . . . . . . . . . . . . . . . 152 Locking Rear Axle . . . . . . . . . . . . . . 278
Locks
Automatic Door . . . . . . . . . . . . . . . . . 41
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Lockout Protection . . . . . . . . . . . . . . 42
Power Door . . . . . . . . . . . . . . . . . . . . . 41
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Loss of Control . . . . . . . . . . . . . . . . . 230
Low Fuel Warning Light . . . . . . . . . 153
Low-Profile Tires . . . . . . . . . . . . . . . . 385
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 99
Lumbar Adjustment . . . . . . . . . . . . . . 60 Front Seats . . . . . . . . . . . . . . . . . . . . . 60
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 455
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . 448
Maintenance Schedule . . . . . . . . . 443 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 451
Transfer Case . . . . . . . . . . . . . . . . 265
Malfunction Indicator Lamp . . . . . 147
Manual Mirrors . . . . . . . . . . . . . . . . . . 47
Manual Mode . . . . . . . . . . . . . . . . . . . 260