2010 GMC SIERRA Owner's Manual

On vehicles with two-way lumbar, press and hold
the top of the control to increase lumbar support.
To decrease, press and hold the bottom of the control.
On vehicles with four-way lumbar, press and hold
the front of the control to increase lumbar support.
To decrease, press and hold the rear of the control.
To raise the height of the support, press and hold the
top of the control. To lower, press and hold the bottom
of the control.
SeePower Lumbar on page 2‑7.Manual Reclining Seatbacks
If equipped, this control is located on the outboard side
of the seat.
To recline the seatback:
1. Lift the recline lever.
2. Move the seatback 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.
See Reclining Seatbacks on page 2‑10.
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Power Reclining Seatbacks
If available, this control is located on the outboard side
of the seat.
To recline the seatback, tilt the top of the control
rearward.
To bring the seatback forward, tilt the top of the control
forward.
SeeReclining Seatbacks on page 2‑10.
Memory Features
This vehicle may have the memory package.
The controls for this
feature are located on the
driver door, and are used
to program and recall
memory settings for the
driver seat, outside
mirrors, and the
adjustable throttle and
brake pedal feature.
For more information, see Memory Seat, Mirrors, and
Pedals on page 2‑8.
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Heated Seats
On vehicles with heated front seats, the controls are
located on the driver and passenger doors.
I:Press to heat the seatback only.
J:Press to heat the seat and seatback.
The light on the button will come on to indicate that the
feature is working. Press the button to cycle through the
temperature settings of high, medium, and low and to
turn the heat to the seat off. Indicator lights will show
the level of heat selected: three for high, two for
medium, and one for low.
See Heated Seats on page 2‑8.
Head Restraint Adjustment
Do not drive until the head restraints for all occupants
are installed and adjusted properly.
For more information see Head Restraints
on
page 2‑3.
Safety Belt
Refer to the following sections for important information
on how to use safety belts properly.
.Safety Belts: They Are for Everyone on page 2‑16.
.How to Wear Safety Belts Properly on page 2‑21.
.Lap-Shoulder Belt on page 2‑30.
.Lower Anchors and Tethers for Children (LATCH)on page 2‑50.
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Sensing System for Passenger
Airbag
The passenger sensing system, if equipped, turns off
the right front passenger frontal airbag under certain
conditions. The driver airbags, seat‐mounted side
impact airbags and roof‐rail airbags are not affected
by this.
If the vehicle has one of the indicators pictured in the
following illustrations, then the vehicle has a passenger
sensing system for the right front passenger position
unless there is an airbag off switch located in the
glove box.
If there is an airbag off switch, the vehicle does not
have a passenger sensing system. SeeAirbag Off
Switch
on page 2‑82for more information. The passenger airbag status indicator will be visible on
the overhead console when the vehicle is started.
United StatesCanada
See Passenger Sensing System
on page 2‑85for
important information.
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Mirror Adjustment
Exterior Mirrors
Vehicles with outside
power mirrors and
foldaway mirrors have
controls located on the
driver door.
1. Press (A) or (B) to select the driver or passenger side mirror.
2. Press one of the four arrows located on the control pad to adjust the mirror.
3. Press either (A) or (B) again to deselect the mirror.
Power Foldaway Mirrors
To fold the mirrors:
1. Press (C) to fold the mirrors out to the driving position.
2. Press (D) to fold the mirrors in to the folded position.
Vehicles with manual outside mirrors can be adjusted
for a clearer view.
If the vehicle has towing mirrors, they can be adjusted
for a clearer view of the objects behind you. Manually
pull out the mirror head to extend it for better visibility
when towing a trailer. See Outside Towing Mirrors
on
page 3‑57.
Manual Foldaway Mirrors
Manually fold the mirrors inward to prevent damage
when going through an automatic car wash. To fold,
push the mirror toward the vehicle. Push the mirror
outward, to return to its original position.
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Interior Mirror
Vehicles with a manual rearview mirror can be
adjusted to see clearly behind the vehicle. Hold the
mirror in the center to move it up or down and side to
side. To reduce headlamp glare during nighttime use,
push the tab forward for daytime use and pull it for
nighttime use.
Vehicles with the automatic dimming feature will
automatically reduce the glare of lights from behind
the vehicle. The dimming feature comes on and the
indicator light illuminates each time the vehicle
is started.
SeeAutomatic Dimming Rearview Mirror
on page 3‑56for more information.
Steering Wheel Adjustment
The tilt lever is located on the lower left side of the
steering column.
To adjust the steering wheel:
1. Hold the steering wheel and pull the lever.
2. Move the steering wheel to a comfortable position.
3. Release the lever to lock the wheel in place.
See Tilt Wheel on page 4‑3.
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Throttle and Brake Pedal Adjustment
On vehicles with this feature, you can change the
position of the throttle and brake pedals.
The switch used to adjust the pedals is located on the
instrument panel below the climate control system.
Press the arrow at the bottom of the switch to move the
pedals closer to your body. Press the arrow at the top of
the switch to move the pedals away from your body.
SeeAdjustable Throttle and Brake Pedal on page 3‑26.
Interior Lighting
Dome Lamps
The dome lamps come on when any door is opened.
They turn off after all the doors are closed.
The dome lamps can also be turned on by turning
the instrument panel brightness knob, located on the
instrument panel to the left of the steering column,
clockwise to the farthest position. In this position, the
dome lamps remain on whether a door is opened
or closed.
k:The dome lamp override button is located next to
the exterior lamps control.
Press the button in and the dome lamps remain off
when a door is opened. Press the button again to return
it to the extended position so that the dome lamps come
on when a door is opened.
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Reading Lamps
For vehicles with reading lamps in the overhead
console, press the button located next to the lamp to
turn it on or off.
The vehicle may also have reading lamps in other
locations. The lamps cannot be adjusted.
For more information about interior lamps, see:
.Dome Lamps on page 4‑14.
.Reading Lamps on page 4‑15.
.Instrument Panel Brightness on page 4‑14.
Exterior Lighting
The exterior lamps control
is located on the
instrument panel to the
left of the steering wheel.
O:Turns off the automatic headlamps and Daytime
Running Lamps (DRL). Turn the headlamp control to
the off position again to turn the automatic headlamps
or DRL back on. For vehicles first sold in Canada, the off position will
only work when the vehicle is shifted into P (Park).
AUTO :
Automatically turns on the headlamps, parking
lamps, taillamps, instrument panel lights, and license
plate lamps.
; :Turns on the parking lamps, taillamps, instrument
panel lights, and license plate lamps.
2 :Turns on the headlamps, parking lamps, taillamps,
instrument panel lights, and license plate lamps.
For more information, see:
.Exterior Lamps on page 4‑10.
.Daytime Running Lamps (DRL) on page 4‑12.
.Fog Lamps on page 4‑13.
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