seat adjustment GMC SIERRA 2017 Owner's Manual

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
In Brief 5
In Brief
Instrument Panel
Instrument Panel . . . . . . . . . . . . . . . . 6
Initial Drive Information
Initial Drive Information . . . . . . . . . . 8
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . . 9
Door Locks . . . . . . . . . . . . . . . . . . . . . 9
Windows . . . . . . . . . . . . . . . . . . . . . . . 10
Seat Adjustment . . . . . . . . . . . . . . . 10
Memory Features . . . . . . . . . . . . . . 12
Heated and Ventilated Seats . . . 13
Head Restraint Adjustment . . . . 13
Safety Belts . . . . . . . . . . . . . . . . . . . . 13
Passenger Sensing System . . . 14
Mirror Adjustment . . . . . . . . . . . . . . 14
Steering Wheel Adjustment . . . . 16
Throttle and Brake Pedal Adjustment . . . . . . . . . . . . . . . . . . . 16
Interior Lighting . . . . . . . . . . . . . . . . 17
Exterior Lighting . . . . . . . . . . . . . . . 17
Windshield Wiper/Washer . . . . . . 18
Climate Controls . . . . . . . . . . . . . . . 18
Transmission . . . . . . . . . . . . . . . . . . 21
Four-Wheel Drive . . . . . . . . . . . . . . 22
Vehicle Features
Infotainment System . . . . . . . . . . . 23
Radio(s) . . . . . . . . . . . . . . . . . . . . . . . 23
Satellite Radio . . . . . . . . . . . . . . . . . 24
Portable Audio Devices . . . . . . . . 24
Bluetooth
®. . . . . . . . . . . . . . . . . . . . . 24
Steering Wheel Controls . . . . . . . 25
Cruise Control . . . . . . . . . . . . . . . . . 26
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . 26
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . 26
Forward Automatic Braking (FAB) . . . . . . . . . . . . . . . . 27
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . 27
Lane Keep Assist (LKA) . . . . . . . 27
Rear Vision Camera (RVC) . . . . 27
Parking Assist . . . . . . . . . . . . . . . . . 27
Power Outlets . . . . . . . . . . . . . . . . . 28
Universal Remote System . . . . . 28
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 28
eAssist Features
eAssist Overview . . . . . . . . . . . . . . 29
Performance and Maintenance
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . 29
Tire Pressure Monitor . . . . . . . . . . 30 Fuel (Gasoline - Except
L86 6.2L Engine) . . . . . . . . . . . . . 30
Fuel (Gasoline - L86 6.2L Engine) . . . . . . . . . . . . . . . . . . . . . . . 30
Fuel (Diesel) . . . . . . . . . . . . . . . . . . . 31
E85 or FlexFuel . . . . . . . . . . . . . . . . 31
Engine Oil Life System . . . . . . . . 31
Driving for Better Fuel
Economy . . . . . . . . . . . . . . . . . . . . . 31
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . 32

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
10 In Brief
K:Press to unlock the doors.
See Door Locks 039 and Power
Door Locks 040.
Windows
Power Windows
Crew/Double Cab Premium Trim
Shown, Other Models Similar
If equipped, the driver door has a
switch to control all windows. Each
passenger door has a switch to
control that window. The power
windows work when the ignition is in
ON/RUN or ACC/ACCESSORY, or when Retained Accessory Power
(RAP) is active. See
Retained
Accessory Power (RAP) 0277.
Press the switch to lower the
window. Pull the switch up to raise
it.
See Windows 051 and Power
Windows 051.
Power Sliding Rear Window
If equipped, the power sliding rear
window works when the ignition has
been turned to ACC/ACCESSORY
or ON/RUN, or when Retained
Accessory Power (RAP) is active.
See Retained Accessory Power
(RAP) 0277. Press the switch to open the
window. Pull the switch up to close
it.
See
Windows 051 and Power
Windows 051.
The power sliding rear window
cannot be operated manually. See
“Power Sliding Rear Window” in
Rear Windows 053.
Seat Adjustment
Manual Seats
To adjust a manual seat:
1. Pull the handle at the front of the seat.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
In Brief 11
2. Slide the seat to the desiredposition and release the
handle.
3. Try to move the seat back and forth to be sure it is locked in
place.
See Seat Adjustment 057.
Power Seats
To adjust a power seat, if equipped:
.
Move the seat forward or
rearward by sliding the control
forward or rearward. .
If equipped, raise or lower the
front part of the seat cushion by
moving the front of the control
up or down.
. If equipped, raise or lower the
seat by moving the rear of the
control up or down.
See Power Seat Adjustment 058.
Lumbar Adjustment
Manual Lumbar
If equipped, move the lever up or
down repeatedly to increase or
decrease lumbar support.
See Lumbar Adjustment 058. Power Lumbar
To adjust the power lumbar support,
if equipped:
.
Press and hold the control
forward to increase or rearward
to decrease upper and lower
lumbar support at the same time.
. If equipped, press and hold the
control up to increase upper
lumbar support and decrease
lower lumbar support.
Press and hold the control down
to increase lower lumbar support
and decrease upper lumbar
support.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
12 In Brief
SeeLumbar Adjustment 058.
Reclining Seatbacks
Manual Reclining Seatbacks
To adjust a manual seatback:
1. Lift the lever. The seatback will automatically
fold forward.
2. To recline, move the seatback rearward to the desired
position, then release the lever
to lock the seatback in place.
3. Push and pull on the seatback to make sure it is locked. To return the seatback to the upright
position:
1. Lift the lever fully without applying pressure to the
seatback, and the seatback will
return to the upright position.
2. Push and pull on the seatback to make sure it is locked.
See Reclining Seatbacks 059.
Power Reclining Seatbacks
To recline a power seatback,
if equipped:
. Tilt the top of the control
rearward to recline. .
Tilt the top of the control forward
to raise.
See Reclining Seatbacks 059.
Memory Features
The SET, 1, 2, andB(Exit) buttons
on the driver door are used to
manually store and recall memory
settings for the driver seat, outside
mirrors, and adjustable pedals.
Automatic Memory Recall and/or
Easy Exit Recall features may be
enabled in the Personalization
Menus.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
In Brief 13
SeeMemory Seats 060 and
Vehicle Personalization 0167.
Heated and Ventilated
Seats
Heated and Ventilated Seat
Buttons Shown, Heated Seat Buttons Similar
If equipped, the buttons are on the
center stack. To operate, the engine
must be running.
Press
Ito heat the driver or
passenger seatback only. Press
Jto heat the driver or
passenger seat cushion and
seatback.
Press
Cto ventilate the driver or
passenger seat.
See Heated and Ventilated Front
Seats 062.
Head Restraint
Adjustment
Do not drive until the head restraints
for all occupants are installed and
adjusted properly.
To achieve a comfortable seating
position, change the seatback
recline angle as little as necessary
while keeping the seat and the head
restraint height in the proper
position.
See Head Restraints 056 and
Power Seat Adjustment 058.
Safety Belts
Refer to the following sections for
important information on how to use
safety belts properly:
.
Safety Belts 065.
. How to Wear Safety Belts
Properly 066.
. Lap-Shoulder Belt 067.
. Lower Anchors and Tethers for
Children (LATCH System) 095.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
In Brief 15
2. Press the arrows on the controlpad to move the mirror up,
down, right, or left.
3. Adjust each outside mirror so that a little of the vehicle and
the area behind it can be seen.
4. Keep the selector switch in the center position when not
adjusting either outside mirror.
Uplevel with Power Folding
Mirrors
1. Press (1) or (3) to select the driver or passenger side mirror. 2. Press the arrows on the control
pad while the indicator light on
the (1) or (3) button is
illuminated, to move the mirror
up, down, right, or left.
3. Adjust each outside mirror so that a little of the vehicle and
the area behind it can be seen.
4. Press either (1) or (3) again to deselect the mirror.
See Power Mirrors 047.
If equipped with power folding
mirrors: 1. Press (2) to fold the mirrors out to the driving position.
2. Press (2) again to fold the mirrors in to the folded position.
For manual, power, and auto folding
mirrors, see Folding Mirrors 048.
The mirrors may also include a
memory function that works with the
memory seats. See Memory Seats
0 60.
Interior Mirror
Adjustment
Adjust the mirror for a clear view of
the area behind the vehicle.
Manual Dimming Rearview Mirror
If equipped, push the tab forward for
daytime use and pull it for nighttime
use to avoid glare from the
headlamps from behind. See
Manual Rearview Mirror 050.
Automatic Dimming Rearview
Mirror
If equipped, the mirror will
automatically reduce the glare of the
headlamps from behind. The
dimming feature comes on when the
vehicle is started.
See Automatic Dimming Rearview
Mirror 050.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
Seats and Restraints 55
Seats and
Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . 56
Front Seats
Seat Adjustment . . . . . . . . . . . . . . . 57
Center Seat . . . . . . . . . . . . . . . . . . . . 57
Power Seat Adjustment . . . . . . . . 58
Lumbar Adjustment . . . . . . . . . . . . 58
Reclining Seatbacks . . . . . . . . . . . 59
Memory Seats . . . . . . . . . . . . . . . . . 60
Heated and Ventilated FrontSeats . . . . . . . . . . . . . . . . . . . . . . . . . 62
Rear Seats
Rear Seats (Double Cab FullBench) . . . . . . . . . . . . . . . . . . . . . . . 63
Rear Seats (Split Bench) . . . . . . 64
Safety Belts
Safety Belts . . . . . . . . . . . . . . . . . . . . 65
How to Wear Safety Belts Properly . . . . . . . . . . . . . . . . . . . . . . 66
Lap-Shoulder Belt . . . . . . . . . . . . . 67
Safety Belt Use During Pregnancy . . . . . . . . . . . . . . . . . . . . 70
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . 71 Safety Belt Extender . . . . . . . . . . . 71
Safety System Check . . . . . . . . . . 71
Safety Belt Care . . . . . . . . . . . . . . . 72
Replacing Safety Belt System
Parts after a Crash . . . . . . . . . . . 72
Airbag System
Airbag System . . . . . . . . . . . . . . . . . 73
Where Are the Airbags? . . . . . . . 74
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . 75
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . 77
How Does an Airbag Restrain? . . . . . . . . . . . . . . . . . . . . . 77
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . 78
Airbag On-Off Switch . . . . . . . . . . 79
Passenger Sensing System . . . 81
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . 85
Adding Equipment to the Airbag-Equipped Vehicle . . . . . 86
Airbag System Check . . . . . . . . . . 87
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . 87
Child Restraints
Older Children . . . . . . . . . . . . . . . . . 87
Infants and Young Children . . . . 89
Child Restraint Systems . . . . . . . 91 Where to Put the Restraint . . . . . 93
Lower Anchors and Tethers for
Children (LATCH System) . . . . 95
Replacing LATCH System Parts After a Crash . . . . . . . . . 106
Securing Child Restraints (With the Safety Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . 106
Securing Child Restraints (With the Safety Belt in the Center
Front Seat) . . . . . . . . . . . . . . . . . . 110
Securing Child Restraints (With the Safety Belt in the Front
Passenger Seat) . . . . . . . . . . . . 110

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
Seats and Restraints 57
Rear Seats
The rear seat has adjustable
headrests in the outboard seating
positions.
The height of the headrest can be
adjusted. Pull the headrest up to
raise it. To lower the headrest, push
the headrest down.
If you are installing a child restraint
in the rear seat, see“Securing a
Child Restraint Designed for the
LATCH System” underLower
Anchors and Tethers for Children
(LATCH System) 095.
Front Seats
Seat Adjustment
{Warning
You can lose control of the
vehicle if you try to adjust a driver
seat while the vehicle is moving.
Adjust the driver seat only when
the vehicle is not moving.
To adjust a manual seat:
1. Pull the handle at the front of the seat.
2. Slide the seat to the desired position and release the
handle.
3. Try to move the seat back and forth to be sure it is locked in
place.
To adjust the seatback, see
Reclining Seatbacks 059.
To adjust the lumbar support,
if equipped, see Lumbar Adjustment
0 58.
Center Seat
If equipped, the center front
seatback doubles as an armrest and
cupholder/storage area for the driver
and passenger when the center
front seat is not used. Do not use it
as a seating position when the
seatback is folded down.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
58 Seats and Restraints
Power Seat Adjustment
To adjust a power seat, if equipped:
.Move the seat forward or
rearward by sliding the control
forward or rearward.
. If equipped, raise or lower the
front part of the seat cushion by
moving the front of the control
up or down.
. If equipped, raise or lower the
seat by moving the rear of the
control up or down.
To adjust the seatback, see
Reclining Seatbacks 059. To adjust the lumbar support, see
Lumbar Adjustment
058.
Some vehicles are equipped with a
feature that activates a vibrating
pulse alert in the driver seat to help
the driver avoid crashes. See Driver
Assistance Systems 0305.
Lumbar Adjustment
Manual Lumbar
If equipped, move the lever up or
down repeatedly to increase or
decrease lumbar support.
Power Lumbar
To adjust the power lumbar support,
if equipped:
.
Press and hold the control
forward to increase or rearward
to decrease upper and lower
lumbar support at the same time.
. If equipped, press and hold the
control up to increase upper
lumbar support and decrease
lower lumbar support.
Press and hold the control down
to increase lower lumbar support
and decrease upper lumbar
support.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 4/18/17
Seats and Restraints 69
5. To make the lap part tight, pullup on the shoulder belt.
To unlatch the belt, push the button
on the buckle. The belt should
return to its stowed position.
Always stow the safety belt slowly.
If the safety belt webbing returns
quickly to the stowed position, the
retractor may lock and cannot be
pulled out. If this happens, pull the
safety belt straight out firmly to
unlock the webbing, and then
release it. If the webbing is still
locked in the retractor, see your
dealer.
Before a door is closed, be sure the
safety belt is out of the way. If a
door is slammed against a safety
belt, damage can occur to both the
safety belt and the vehicle.
Shoulder Belt Height Adjuster
The vehicle has a shoulder belt
height adjuster for the driver and
front outboard passenger.
Adjust the height so the shoulder
portion of the belt is on the shoulder
and not falling off of it. The belt
should be close to, but not
contacting, the neck. Improper
shoulder belt height adjustment could reduce the effectiveness of
the safety belt in a crash. See
How
to Wear Safety Belts Properly 066.
Push down on the release button to
move the height adjuster to the
desired position.
Move the adjuster up by pushing up
on the shoulder belt guide.
After the adjuster is set to the
desired position, try to move it down
without pushing the release button
to make sure it has locked into
position.