2018 GMC SIERRA DENALI fold seats

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
168 Instruments and Controls Comfort and Convenience Select and the following may
display:
.
Auto Memory Recall
.
Easy Exit Options
.
Chime Volume
.
Reverse Tilt Mirror
.
Auto Mirror Folding
Auto Memory Recall
This feature automatically recalls
the previously stored 1 or 2 button
positions when the ignition is
changed from off to on or ACC/
ACCESSORY. See Memory Seats
0 62 .
Select Off orOn.
Easy Exit Options
This feature automatically recalls
the previously stored Exit button
position when exiting the vehicle.
See Memory Seats 0 62 .
Select Off or On. Chime Volume
This allows the selection of the
chime volume level.
Touch + or − to adjust the volume.
Reverse Tilt Mirror
When on, both the driver and
passenger, driver, or passenger
outside mirrors will tilt downward
when the vehicle is shifted to
R (Reverse) to improve visibility of
the ground near the rear wheels.
They will return to their previous
driving position when the vehicle is
shifted out of R (Reverse) or the
engine is turned off. See Reverse
Tilt Mirrors 0 51 .
Select Off, On - Driver and
Passenger, On - Driver, or On -
Passenger.
Auto Mirror Folding
When on, the outside mirrors will
automatically fold or unfold when
the Remote Keyless Entry (RKE)
transmitter lock or unlock button is
pressed and held. See Folding
Mirrors 0 49 . Select Off or On.
Lighting Select and the following may
display:
.
Vehicle Locator Lights
.
Exit Lighting
Vehicle Locator Lights
This feature will flash the exterior
lamps and allows some of the
exterior lamps and most of the
interior lamps to turn on briefly
when
K on the Remote Keyless
Entry (RKE) transmitter is pressed
to locate the vehicle.
Select Off or On.
Exit Lighting
This allows the selection of how
long the exterior lamps stay on
when leaving the vehicle when it is
dark outside.
Select Off, 30 Seconds, 60 Seconds,
or 120 Seconds.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
252 Driving and Operating
{ Warning
Things you put inside the
vehicle can strike and injure
people in a sudden stop or
turn, or in a crash. .
Put things in the cargo
area of the vehicle. Try to
spread the weight evenly..
Never stack heavier
things, like suitcases,
inside the vehicle so that
some of them are above
the tops of the seats..
Do not leave an
unsecured child restraint
in the vehicle..
When you carry
something inside the
vehicle, secure it
whenever you can.
.
Do not leave a seat
folded down unless you
need to. There is also important loading
information for off-road driving in
this manual. See “ Loading the
Vehicle for Off-Road Driving “
under Off-Road Driving 0 239 .
Two-Tiered Loading
Depending on the model of the
pickup, an upper load platform
can be created by positioning
three or four 5 cm (2 in) by
15 cm (6 in) wooden planks
across the width of the pickup
box. The planks must be
inserted in the pickup box
depressions.
When using this upper load
platform, be sure the load is
securely tied down to prevent it
from shifting. The load's center
of gravity should be positioned
in a zone over the rear axle. The
zone is located in the area
between the front of each wheel
well and the rear of each wheel well. The center of gravity height
must not extend above the top
of the pickup box flareboard.
Any load that extends beyond
the vehicle's taillamp area must
be properly marked according to
local laws and regulations.
Remember not to exceed the
Gross Axle Weight
Rating (GAWR) of the front or
rear axle.
Add-On Equipment
When carrying removable items,
a limit on how many people
carried inside the vehicle may
be necessary. Be sure to weigh
the vehicle before buying and
installing the new equipment.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
Index 495Exterior Lamps Off Reminder . . . 178
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 185
F Fan
Engine . . . . . . . . . . . . . . . . . . . . . . . . 365
Fast Idle System . . . . . . . . . . . . . . . . 259
Features
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 13
Filter,
Engine Air Cleaner . . . . . . . . . . . 358
Fixed Mast Antenna . . . . . . . . . . . . 194
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 179
Flashers, Hazard Warning . . . . . . 180
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 413
Changing . . . . . . . . . . . . . . . . . . . . . 415
FlexFuel
E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
Floor Console Storage . . . . . . . . . . 126
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 444
Fluid
Automatic
Transmission . . . . . . . . . . . 354, 357
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 368
Four-Wheel Drive
Transfer Case . . . . . . . . . . . . . . . 272
Power Steering . . . . . . . . . . . . . . . 365 Fluid (cont'd)
Washer . . . . . . . . . . . . . . . . . . . . . . . 366
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 181
Folding Mirrors . . . . . . . . . . . . . . . . . . 49
Forward Automatic Braking . . . . . 294
Forward Collision Alert
(FCA) System . . . . . . . . . . . . . . . . . 292
Four-Wheel Drive . . . . . . . . . . 272, 370
Four-Wheel-Drive Light . . . . . . . . . 153
Frequency Statement
Radio . . . . . . . . . . . . . . . . . . . . . . . . . 475
Front Axle . . . . . . . . . . . . . . . . . . . . . . 370
Front Fog Lamp
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Front Seats
Adjustment . . . . . . . . . . . . . . . . . . . . . 59
Heated and Ventilated . . . . . . . . . . 65
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Additives . . . . . . . . . . . . . . . . . . . . . 300
Economy Driving . . . . . . . . . . . . . . . 33
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 303
Filling the Tank . . . . . . . . . . . . . . . 301
Foreign Countries . . . . . . . . . . . . 300
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 142
Low Fuel Warning Light . . . . . . . 156
Management, Active . . . . . . . . . . 264
Requirements, California . . . . . 300 Full-Size Spare Tire . . . . . . . . . . . . 425
Fuses
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 381
Fuses and Circuit Breakers . . . 381
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . 385, 386
G Garage Door Opener . . . . . . . . . . . 172
Programming . . . . . . . . . . . . . . . . . 172
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 376
Gauges
Engine Coolant
Temperature . . . . . . . . . . . . . . . . 144
Engine Oil Pressure . . . . . . . . . . 143
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Odometer . . . . . . . . . . . . . . . . . . . . . 142
Speedometer . . . . . . . . . . . . . . . . . 142
Tachometer . . . . . . . . . . . . . . . . . . . 142
Transmission Temperature . . . . 145
Trip Odometer . . . . . . . . . . . . . . . . 142
Voltmeter . . . . . . . . . . . . . . . . . . . . . 145
Warning Lights and
Indicators . . . . . . . . . . . . . . . . . . . 137
General Information
Service and Maintenance . . . . . 446
Towing . . . . . . . . . . . . . . . . . . . . . . . . 303

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - CRC - 10/17/17
498 Index Maintenance Schedule (cont'd)
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . 456
Transfer Case . . . . . . . . . . . . . . . . 272
Malfunction Indicator Lamp . . . . . 150
Manual Mirrors . . . . . . . . . . . . . . . . . . 47
Manual Mode . . . . . . . . . . . . . . . . . . . 268
Manual Windows . . . . . . . . . . . . . . . . 52
Media
Avoiding Untrusted Devices . . 195
Memory Features . . . . . . . . . . . . . . . . 13
Memory Seats . . . . . . . . . . . . . . . . . . . 62
Messages
Engine Power . . . . . . . . . . . . . . . . 164
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 164
Vehicle Speed . . . . . . . . . . . . . . . . 164
Mirrors
Automatic Dimming . . . . . . . . . . . . . 50
Automatic Dimming
Rearview . . . . . . . . . . . . . . . . . . . . . . 52
Blind Spot . . . . . . . . . . . . . . . . . . . . . . 50
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 47
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 49
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 50
Manual . . . . . . . . . . . . . . . . . . . . . . . . . 47
Manual Rearview . . . . . . . . . . . . . . . 52
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Tilt in Reverse . . . . . . . . . . . . . . . . . . 51 Mirrors (cont'd)
Trailer Tow . . . . . . . . . . . . . . . . . . . . . . 48
Mirrors, Interior Rearview . . . . . . . . 51
Monitor System, Tire
Pressure . . . . . . . . . . . . . . . . . . . . . . 399
Multi-band Antenna . . . . . . . . . . . . . 194
N Navigation
OnStar . . . . . . . . . . . . . . . . . . . . . . . 481
New Vehicle Break-In . . . . . . . . . . . 255
Noise Control System . . . . . . . . . . 373
O Odometer . . . . . . . . . . . . . . . . . . . . . . . 142
Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 239
Driving . . . . . . . . . . . . . . . . . . . . . . . . 239
Recovery . . . . . . . . . . . . . . . . . . . . . 238
Oil
Engine . . . . . . . . . . . . . . . . . . . . . . . . 350
Engine Oil Life System . . . . . . . 353
Engine Oil Pressure Gauge . . . 143
Pressure Light . . . . . . . . . . . . . . . . 156
Older Children, Restraints . . . . . . . 92
Online Owner Center . . . . . . . . . . . 468
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 478
OnStar Additional
Information . . . . . . . . . . . . . . . . . . . . 485 OnStar Connections . . . . . . . . . . . . 482
OnStar Diagnostics . . . . . . . . . . . . . 484
OnStar Emergency . . . . . . . . . . . . . 480
OnStar Navigation . . . . . . . . . . . . . . 481
OnStar Overview . . . . . . . . . . . . . . . 479
OnStar Security . . . . . . . . . . . . . . . . 481
Operating Mode
Overheated Engine
Protection . . . . . . . . . . . . . . . . . . . 364
Operation
Fog Lamps . . . . . . . . . . . . . . . . . . . 181
Ordering
Service Publications . . . . . . . . . . 474
Outlets
Power . . . . . . . . . . . . . . . . . . . . . . . . 133
Overheated Engine
Protection Operating Mode . . . . 364
Overheating, Engine . . . . . . . . . . . . 363
Overview . . . . . . . . . . . . . . . . . . . . . . . 188
P Park
Shifting Into . . . . . . . . . . . . . . . . . . . 262
Shifting Out of . . . . . . . . . . . . . . . . 263
Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . . . 281
Brake and P (Park)
Mechanism Check . . . . . . . . . . 375