2019 GMC SIERRA seat adjustment

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
In Brief 5
In Brief
Instrument Panel
Instrument Panel . . . . . . . . . . . . . . . . 6
Initial Drive Information
Initial Drive Information . . . . . . . . . . 8
Stop/Start System . . . . . . . . . . . . . . . 8
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . 9
Remote Vehicle Start . . . . . . . . . . . 9
Door Locks . . . . . . . . . . . . . . . . . . . . 10
Windows . . . . . . . . . . . . . . . . . . . . . . . 10
Seat Adjustment . . . . . . . . . . . . . . . 11
Memory Features . . . . . . . . . . . . . . 13
Heated and Ventilated Seats . . . 13
Head Restraint Adjustment . . . . 14
Seat Belts . . . . . . . . . . . . . . . . . . . . . 14
Passenger Sensing System . . . 14
Mirror Adjustment . . . . . . . . . . . . . . 15
Steering Wheel Adjustment . . . . 16
Interior Lighting . . . . . . . . . . . . . . . . 17
Exterior Lighting . . . . . . . . . . . . . . . 18
Windshield Wiper/Washer . . . . . . 19
Climate Controls . . . . . . . . . . . . . . . 20
Transmission . . . . . . . . . . . . . . . . . . 21
Four-Wheel Drive . . . . . . . . . . . . . . 22
Vehicle Features
Infotainment System . . . . . . . . . . . 23
Steering Wheel Controls . . . . . . . 23
Cruise Control . . . . . . . . . . . . . . . . . 23
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . 23
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . 24
Forward Automatic Braking (FAB) . . . . . . . . . . . . . . . . 24
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . . . . . . . 24
Lane Keep Assist (LKA) . . . . . . . 25
Lane Change Alert (LCA) . . . . . . 25
Surround Vision . . . . . . . . . . . . . . . 25
Rear Vision Camera (RVC) . . . . 25
Rear Cross Traffic Alert (RCTA) System . . . . . . . . . . . . . . . . . . . . . . . 25
Park Assist . . . . . . . . . . . . . . . . . . . . 25
Power Outlets . . . . . . . . . . . . . . . . . 26
Universal Remote System . . . . . 26
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 26
Performance and Maintenance
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . 27
Tire Pressure Monitor . . . . . . . . . . 28
Fuel (Gasoline - Except L87 6.2L Engine) . . . . . . . . . . . . . 28 Fuel (Gasoline - L87 6.2L
Engine) . . . . . . . . . . . . . . . . . . . . . . . 29
Fuel (Diesel) . . . . . . . . . . . . . . . . . . . 29
E85 or FlexFuel . . . . . . . . . . . . . . . . 29
Engine Oil Life System . . . . . . . . 29
Driving for Better Fuel Economy . . . . . . . . . . . . . . . . . . . . . 30
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . 30

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
In Brief 11
The windows may be temporarily
disabled if they are used repeatedly
within a short time.
SeePower Windows 064.
Power Sliding Rear Window
If equipped, the power sliding rear
window works when the ignition has
been turned on or to ACC/
ACCESSORY, or when Retained
Accessory Power (RAP) is active.
See Retained Accessory Power
(RAP) 0228.
Using the window switch, press to
open or pull to close the window. The power sliding rear window
cannot be operated manually. See
“Power Sliding Rear Window”
in
Rear Windows 066.
Seat Adjustment
Manual Seats
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.
See Seat Adjustment 070.
Power Seats
To adjust a power seat, if equipped:
.
Move the seat forward or
rearward by sliding the control
forward or rearward.
. Raise or lower the front part of
the seat cushion by moving the
front of the control up or down.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
12 In Brief
.Raise or lower the seat by
moving the rear of the control up
or down.
See Power Seat Adjustment 071.
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 072. 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 072.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
In Brief 13
Memory Features
If equipped, memory seats allow two
drivers to save and recall their
unique seat positions for driving the
vehicle, and a shared exit position
for getting out of the vehicle. Other
feature positions may also be
saved, such as power mirrors,
if equipped. Memory positions are
linked to RKE transmitter 1 or 2 for
automatic memory recalls.
Before saving, adjust all available
memory feature positions. Turn the
ignition on and then press and
release SET; a beep will sound.
Then immediately press and hold 1,2, or
B(Exit) until two beeps
sound. To manually recall these
positions, press and hold 1, 2, or
B
until the saved position is reached.
When Seat Entry Memory is
enabled in vehicle personalization,
positions previously saved to
memory buttons 1 and 2 are
recalled when the ignition is
changed from off to on or ACC/
ACCESSORY.
When Seat Exit Memory is enabled
in vehicle personalization, the
feature automatically recalls the
previously saved exit position when
exiting the vehicle.
Memory adjustments may not be
available upon delivery or after
service until steps in “Saving
Memory Positions” section are
performed. See Memory Seats074.
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
Ior+to heat the driver or
passenger seatback only.
Press
Jorzto heat the driver or
passenger seat cushion and
seatback.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
14 In Brief
PressCor{to ventilate the driver
or passenger seat.
See Heated and Ventilated Front
Seats 076.
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 069 and
Seat Adjustment 070.
Seat Belts
Refer to the following sections for
important information on how to use
seat belts properly:
.
Seat Belts 080
. How to Wear Seat Belts Properly
081
. Lap-Shoulder Belt 083
. Lower Anchors and Tethers for
Children (LATCH System) 0107
Passenger Sensing
System
United States
Canada
The passenger sensing system
turns off the front outboard
passenger frontal airbag under
certain conditions. No other airbag
is affected by the passenger
sensing system. See Passenger
Sensing System 093.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
In Brief 15
The passenger airbag status
indicator will light on the overhead
console when the vehicle is started.
SeePassenger Airbag Status
Indicator 0150.
Mirror Adjustment
Using hood-mounted air deflectors
and add-on convex mirror
attachments could decrease mirror
performance.
Exterior Mirrors
Manual Mirrors
If equipped, adjust manual mirrors
by moving them up and down or left
to right to see a little of the side of
the vehicle and to have a clear view
behind the vehicle.
See Manual Mirrors 057. Power Mirrors1. Select}or|for the driver or
passenger side mirror. The
switch will illuminate.
2. Press the arrows on the control pad 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.
See Power Mirrors 058.
If equipped with power folding
mirrors:
1. Press
gto fold the mirrors in
to the folded position.
2. Press
gagain to fold the
mirrors out to the driving
position.
For manual, power, and remote
folding mirrors, see Folding Mirrors
0 58.
The mirrors may also include a
memory function that works with the
memory seats. See Memory Seats
0 74.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
68 Seats and Restraints
Seats and
Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . 69
Front Seats
Seat Adjustment . . . . . . . . . . . . . . . 70
Center Seat . . . . . . . . . . . . . . . . . . . . 71
Power Seat Adjustment . . . . . . . . 71
Lumbar Adjustment . . . . . . . . . . . . 72
Reclining Seatbacks . . . . . . . . . . . 72
Memory Seats . . . . . . . . . . . . . . . . . 74
Heated and Ventilated FrontSeats . . . . . . . . . . . . . . . . . . . . . . . . . 76
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . 78
Heated Rear Seats . . . . . . . . . . . . 79
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . 80
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . 81
Lap-Shoulder Belt . . . . . . . . . . . . . 83
Seat Belt Use During Pregnancy . . . . . . . . . . . . . . . . . . . . 85
Seat Belt Extender . . . . . . . . . . . . . 85
Safety System Check . . . . . . . . . . 85 Seat Belt Care . . . . . . . . . . . . . . . . . 86
Replacing Seat Belt System
Parts after a Crash . . . . . . . . . . . 86
Airbag System
Airbag System . . . . . . . . . . . . . . . . . 87
Where Are the Airbags? . . . . . . . 89
When Should an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . . . 90
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . 91
How Does an Airbag Restrain? . . . . . . . . . . . . . . . . . . . . . 91
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . 92
Passenger Sensing System . . . 93
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . 97
Adding Equipment to the Airbag-Equipped Vehicle . . . . . 98
Airbag System Check . . . . . . . . . . 99
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . 99
Child Restraints
Older Children . . . . . . . . . . . . . . . . 100
Infants and Young Children . . . 101
Child Restraint Systems . . . . . . 104
Where to Put the Restraint . . . 105
Lower Anchors and Tethers forChildren (LATCH System) . . . 107 Replacing LATCH System
Parts After a Crash . . . . . . . . . . 118
Securing Child Restraints (With the Seat Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . 118
Securing Child Restraints (In the Center Front Seat) . . . . . . 122
Securing Child Restraints (With the Seat Belt in the Front
Outboard Seat) . . . . . . . . . . . . . 122

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
70 Seats and Restraints
Rear Head Restraints
The vehicle’s rear seat has head
restraints in the outboard seating
positions that cannot be adjusted.
The head restraint can be folded
forward to allow for better visibility
when the rear seat is unoccupied.
To fold the head restraint, press the
button on the side of the head
restraint.When an occupant is in the seat,
always return the head restraint to
the upright position until it locks into
place. Push and pull on the head
restraint to make sure that it is
locked.
If you are installing a child restraint
in the rear seat, see
Lower Anchors
and Tethers for Children (LATCH
System) 0107.
Center Headrest
The vehicle’s rear seat may be
equipped with a headrest in the
center seating position that cannot
be adjusted.
If you are installing a child restraint
in the rear seat, see Lower Anchors
and Tethers for Children (LATCH
System) 0107.
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.