2010 GMC YUKON heater

Heated Seats
{WARNING:
If you cannot feel temperature change or pain to
the skin, the seat heater may cause burns even
at low temperatures. To reduce the risk of burns,
people with such a condition should use care
when using the seat heater, especially for long
periods of time. Do not place anything on the seat
that insulates against heat, such as a blanket,
cushion, cover or similar item. This may cause
the seat heater to overheat. An overheated seat
heater may cause a burn or may damage
the seat.
On vehicles with heated front seats, the controls are
located on the driver and passenger doors. I
(Heated Seatback): Press to turn on the heated
seatback.
J (Heated Seat and Seatback): Press to turn on the
heated 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.
The heated seats will be canceled 10 seconds after the
ignition is turned off. To use the heated seat feature
after restarting the vehicle, press the heated seat or
seatback button again.
2-8

For some children, including children in child restraints,
and for very small adults, the passenger sensing
system may or may not turn off the right front passenger
frontal airbag, depending upon the person's seating
posture and body build. Everyone in your vehicle who
has outgrown child restraints should wear a safety belt
properly—whether or not there is an airbag for that
person.
{WARNING:
If the airbag readiness light ever comes on and
stays on, it means that something may be wrong
with the airbag system. To help avoid injury to
yourself or others, have the vehicle serviced right
away. See Airbag Readiness Light
on page 4‑32
for more information, including important safety
information.
If the On Indicator is Lit for a Child
Restraint
If a child restraint has been installed and the on
indicator is lit:
1. Turn the vehicle off.
2. Remove the child restraint from the vehicle.
3. Remove any additional items from the seat such as blankets, cushions, seat covers, seat heaters,
or seat massagers.
4. Reinstall the child restraint following the directions provided by the child restraint manufacturer and
refer to Securing a Child Restraint in the Right
Front Seat Position on page 2‑79.
2-96

If this happens, use the following steps to allow the
system to detect that person and enable the right front
passenger frontal airbag:1. Turn the vehicle off.
2. Remove any additional material from the seat, such as blankets, cushions, seat covers, seat
heaters, or seat massagers.
3. Place the seatback in the fully upright position.
4. Have the person sit upright in the seat, centered on the seat cushion, with legs comfortably
extended.
5. Restart the vehicle and have the person remain in this position for two to three minutes after the on
indicator is lit.Additional Factors Affecting System
Operation
Safety belts help keep the passenger in position on the
seat during vehicle maneuvers and braking, which helps
the passenger sensing system maintain the passenger
airbag status. See “Safety Belts”and“Child Restraints”
in the Index for additional information about the
importance of proper restraint use.
If the shoulder portion of the belt is pulled out all the
way, the child restraint locking feature will be engaged.
This may unintentionally cause the passenger sensing
system to turn the airbag off for some adult size
occupants. If this happens, let the belt go back all
the way and start again.
2-98

A thick layer of additional material, such as a blanket
or cushion, or aftermarket equipment such as seat
covers, seat heaters, and seat massagers can affect
how well the passenger sensing system operates.
We recommend that you not use seat covers or other
aftermarket equipment except when approved by GM
for your specific vehicle. SeeAdding Equipment to
Your Airbag-Equipped Vehicle
on page 2‑100for more
information about modifications that can affect how
the system operates.
The on indicator may be lit if an object, such as a
briefcase, handbag, grocery bag, laptop or other
electronic device, is put on an unoccupied seat.
If this is not desired remove the object from the seat.
{WARNING:
Stowing of articles under the passenger seat
or between the passenger seat cushion and
seatback may interfere with the proper operation
of the passenger sensing system.
Servicing Your Airbag-Equipped
Vehicle
Airbags affect how the vehicle should be serviced.
There are parts of the airbag system in several places
around the vehicle. Your dealer and the service manual
have information about servicing the vehicle and the
airbag system. To purchase a service manual, see
Service Publications Ordering Information
on
page 8‑16.
{WARNING:
For up to 10 seconds after the ignition is turned off
and the battery is disconnected, an airbag can still
inflate during improper service. You can be injured
if you are close to an airbag when it inflates. Avoid
yellow connectors. They are probably part of the
airbag system. Be sure to follow proper service
procedures, and make sure the person performing
work for you is qualified to do so.
2-99

Adding Equipment to Your
Airbag-Equipped Vehicle
Q: Is there anything I might add to or change aboutthe vehicle that could keep the airbags from
working properly?
A: Yes. If you add things that change your vehicle's
frame, bumper system, height, front end or side
sheet metal, they may keep the airbag system from
working properly. Changing or moving any parts of
the front seats, safety belts, the airbag sensing and
diagnostic module, steering wheel, instrument panel,
roof-rail airbag modules, ceiling headliner or pillar
garnish trim, overhead console, front sensors, side
impact sensors, rollover sensor module, or airbag
wiring can affect the operation of the airbag system.
In addition, the vehicle may have a passenger
sensing system for the right front passenger's
position, which includes sensors that are part of the
passenger's seat. The passenger sensing system may not operate properly if the original seat trim is
replaced with non-GM covers, upholstery or trim,
or with GM covers, upholstery or trim designed for a
different vehicle. Any object, such as an aftermarket
seat heater or a comfort enhancing pad or device,
installed under or on top of the seat fabric, could
also interfere with the operation of the passenger
sensing system. This could either prevent proper
deployment of the passenger airbag(s) or prevent
the passenger sensing system from properly turning
off the passenger airbag(s). See
Passenger Sensing
System on page 2‑94.
If you have any questions about this, you should
contact Customer Assistance before you modify
your vehicle. The phone numbers and addresses
for Customer Assistance are in Step Two of the
Customer Satisfaction Procedure in this manual.
See Customer Satisfaction Procedure on page 8‑2.
If the vehicle has rollover roof-rail airbags, see
Different Size Tires and Wheels
on page 6‑82for
additional important information.
2-100

Section 3 Features and Controls
Keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Remote Keyless Entry (RKE) System . . . . . . . . . . . 3-4
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Remote Vehicle Start . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Doors and Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Power Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Programmable Automatic Door Locks . . . . . . . . . . 3-11
Rear Door Security Locks . . . . . . . . . . . . . . . . . . . . . 3-12
Lockout Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Liftgate/Liftglass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Power Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Power Assist Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Power Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . . . . . . . .3-23
Content Theft-Deterrent . . . . . . . . . . . . . . . . . . . . . . . . 3-23
PASS-Key
®III+ Electronic Immobilizer . . . . . . . . . 3-25
PASS-Key®III+ Electronic Immobilizer
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25 Starting and Operating Your Vehicle
. . . . . . . . . . . .3-27
New Vehicle Break-In . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28
Retained Accessory Power (RAP) . . . . . . . . . . . . . 3-29
Starting the Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29
Adjustable Throttle and Brake Pedal . . . . . . . . . . . 3-31
Engine Coolant Heater . . . . . . . . . . . . . . . . . . . . . . . . . 3-31
Active Fuel Management™ . . . . . . . . . . . . . . . . . . . . 3-33
Automatic Transmission Operation . . . . . . . . . . . . . 3-33
Tow/Haul Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-39
Four-Wheel Drive (Two Speed Automatic Transfer Case) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41
Four-Wheel Drive (Single Speed Automatic Transfer Case) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-46
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-49
Shifting Out of Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51
Parking Over Things That Burn . . . . . . . . . . . . . . . . 3-51
Engine Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52
Running the Vehicle While Parked . . . . . . . . . . . . . 3-53
3-1

Adjustable Throttle and Brake Pedal
On vehicles with this feature, you can change the
position of the throttle and brake pedals.
No adjustment to the pedals can be made when the
vehicle is in R (Reverse) or while using the cruise
control.
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.
Before you start driving, fully press the brake pedal to
confirm the adjustment is right for you. While driving,
make only small adjustments.
The vehicle may have a memory function which lets
pedal settings be saved and recalled. See
Memory
Seat, Mirrors, and Pedals
on page 2‑10for more
information.
Engine Coolant Heater
The engine coolant heater can provide easier starting
and better fuel economy during engine warm-up in cold
weather conditions at or below −18°C (0°F). Vehicles
with an engine heater should be plugged in at least
four hours before starting. An internal thermostat in
the plug-end of the cord may exist which will prevent
engine coolant heater operation at temperatures above
−18°C (0°F).
3-31

To Use the Engine Coolant Heater
1. Turn off the engine.
2. Open the hood and unwrap the electrical cord.The cord is secured to the Engine Compartment
Fuse Block with a clip. Carefully remove the wire
tie which secures the electrical cord. Do not cut the
electrical cord.
3. Plug the cord into a normal, grounded 110-volt AC outlet.{WARNING:
Plugging the cord into an ungrounded outlet could
cause an electrical shock. Also, the wrong kind of
extension cord could overheat and cause a fire.
You could be seriously injured. Plug the cord into
a properly grounded three-prong 110-volt AC
outlet. If the cord will not reach, use a heavy-duty
three-prong extension cord rated for at least
15 amps.
4. Before starting the engine, be sure to unplug and store the cord as it was before to keep it away from
moving engine parts. If you do not, it could be
damaged.
The length of time the heater should remain plugged
in depends on several factors. Ask a dealer in the area
where you will be parking the vehicle for the best advice
on this.
3-32