2009 GMC YUKON ECU

Congratulations on your purchase of a GMC Yukon or Yukon Denali. Please read this information about your vehicle’s
features and your Owner Manual to ensure an outstanding ownership experience. Note that your vehicle may not
include all the features described in this booklet. Keep this booklet with your Owner Manual for easy reference.
DRIVER INFORMATION
Instrument Panel . . . . . . . . . . . . . .2
Instrument Panel Cluster . . . . . . .3
Driver Information Center . . . . . .4
SAFETY & SECURITY
Remote Keyless Entry . . . . . . . . .6
OnStar
® . . . . . . . . . . . . . . . . . . . . . .6
COMFORT
Power Seat Controls . . . . . . . . . . .7
Heated Seats . . . . . . . . . . . . . . . . .7
Heated and Cooled Seats . . . . . . .8
Memory Settings . . . . . . . . . . . . . .8
Adjustable Pedals . . . . . . . . . . . . .8
Automatic Climate Controls . . . . .9
Rear Seat Climate Controls . . . . .9
ENTERTAINMENT
Audio System Features . . . . . . .10
Multiple-Disc CD Player . . . . . . .12
Navigation Entertainment
System . . . . . . . . . . . . . . . . . . . . .13XM
®Radio . . . . . . . . . . . . . . . . . .13
Rear Seat Audio and DVD Rear
Seat Entertainment Systems . . .14
Audio Steering Wheel Controls .15
Bluetooth
®System . . . . . . . . . . .15
CONVENIENCE
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . .15
Remote Vehicle Start . . . . . . . . .16
Ultrasonic Rear Parking Assist .16
Rainsense™ II Windshield
Wipers . . . . . . . . . . . . . . . . . . . . .17
Heated Windshield Washer
Fluid . . . . . . . . . . . . . . . . . . . . . . .17
Rear Vision Camera . . . . . . . . . .17
Auto Turn Signal . . . . . . . . . . . . .18
Cruise Control . . . . . . . . . . . . . . .18
Side Blind Zone Alert . . . . . . . . .18
Automatic Headlamp System
and Interior Lamps . . . . . . . . . . .18
Power Running Boards . . . . . . .19Liftgate and Liftglass
Operation . . . . . . . . . . . . . . . . . . .19
Folding 2nd-Row Seats . . . . . . .20
Folding 3rd-Row Seats . . . . . . . .20
Sunroof . . . . . . . . . . . . . . . . . . . . .21
Universal Home Remote . . . . . . .21
PERFORMANCE & MAINTENANCE
6-Speed Automatic
Transmission Controls . . . . . . . .21
StabiliTrak
® – Stability Control
System . . . . . . . . . . . . . . . . . . . . .22
Tire Pressure Monitor . . . . . . . . .22
Reset the Engine Oil Life
System . . . . . . . . . . . . . . . . . . . . .23
Refueling the Vehicle . . . . . . . . .23
Maximizing Fuel Economy . . . . .23
OWNER INFORMATION
Roadside Assistance . . . . . . . . .24
My GMLink . . . . . . . . . . . . . . . . . .24

3
Your vehicle’s instrument panel is
equipped with this cluster or one very
similar to it. The instrument panel cluster
includes these key features:
A. Oil Pressure Gauge
B. Fuel Gauge
C. StabiliTrak Warning Light
D. Tire Pressure Warning Light
E. Security Light
F. Odometer/Driver Information Center
G. Check Engine Light
H. Tachometer
I. Speedometer
J. Airbag Readiness Light
K. Antilock Brake System Warning Light
L. Safety Belt Reminder Light
M. Engine Coolant Temperature Gauge
N. Voltmeter**The charging system is designed to
regulate voltage output to help improve
fuel economy and extend battery life.
Normal system operation readings may
fluctuate based on vehicle operation,
including the number of electrical acces-
sories being operated and engine speed.
See Section 3 of your Owner Manual.
Note:The instrument panel cluster is
designed to let you know about many
important aspects of your vehicle’s
operation. It is important to read your
Owner Manual and become familiar with
the information being relayed to you
by the lights, gauges and indicators,
as well as what action can be taken to
ensure safety and to prevent damage.
Instrument Panel Cluster
ABCDEFGHIJKLMN

Getting to Know Your Yukon/Yukon Denali6
The Remote
Keyless Entry
(RKE) transmit-
ter includes
the following
functions:
(Remote
Vehicle Start)
(if equipped): If
your vehicle has
this feature, it
can be used to
start the engine.
(See Remote Vehicle Start.)
(Lock):Press this button to lock all
the doors. If enabled through the Driver
Information Center (DIC), the parking
lamps will flash once and/or the horn will
chirp to indicate locking has occurred.
(Unlock):Press this button to unlock
the driver’s door. If the button is pressed
again within five seconds, all remaining
doors will unlock. If enabled through the
DIC, the parking lamps will flash once to
indicate unlocking has occurred.
(Liftglass):Press and hold this
button to open the liftglass.
(Power Liftgate) (if equipped):
Press and hold this button for two sec-
onds to open or close the liftgate. The
taillamps will flash and a chime will
sound to indicate the liftgate is activated.
(Vehicle Locator/Panic Alarm):
Press this button to locate your vehicle.
The parking lamps will flash and the
horn will sound three times.
Remote Keyless Entry
Press and hold the button to activate the
panic alarm. The parking lamps will flash
and the horn will sound for 30 seconds.
Press the button again or turn the igni-
tion to Run to cancel the panic alarm.
See Section 2 of your Owner Manual.
OnStar®(if equipped)
SAFETY & SECURITY
Your vehicle features the OnStar Safe
& Sound Plan or the uplevel OnStar
Directions & Connections Plan, with one
year of OnStar service from the date
you purchased your new vehicle. With
the help of OnStar Advisors, who are
available 24 hours a day, 7 days a
week, OnStar offers a wide variety of
safety and driver assistance capabilities,
including the following services:
• Driving Directions with Turn-by-Turn
Navigation
• Destination Download using your
vehicle’s navigation system
(if equipped)
• OnStar Vehicle Diagnostic e-mail
• Automatic Notification of Airbag
Deployment
• Automatic Advanced Crash
Notification
• Emergency Services
• Remote Door Unlock
• Stolen Vehicle Location Assistance
• Hands-Free Calling with 30 calling
minutes
• Roadside Assistance
• Fuel Station Location
• Virtual Advisor, GPS-based Traffic &
Weather

Getting to Know Your Yukon/Yukon Denali16
This feature allows you to start the
engine from outside the vehicle by using
the Remote Keyless Entry (RKE) trans-
mitter. The remote start capability must
be turned on using the Driver
Information Center.
The vehicle’s automatic climate control
system (if equipped) will default to a
heating or cooling mode based on
outside temperature, and the manual
climate control system will turn on at
the same setting as when the vehicle
was last turned off.
Starting the Vehicle
To remote-start the vehicle:
1.
Aim the RKE transmitter at the vehicle.
(Transmitter range is within approxi-
mately 200 feet of the vehicle.)
2. Press and release the (Lock)
button on the transmitter.
3. Immediately press and hold the
(Remote Start) button for about four
seconds.When the parking lamps
flash, release the button. The engine
will start and the parking lamps will
remain on.
The engine will continue
running for 10 minutes.
4. Repeat these steps for a 10-minute
time extension. Only two consecutive
remote starts are allowed.
When you enter the vehicle after a
remote start, the key must be inserted
in the ignition and turned to the Run
position before driving.
Remote Vehicle Start
(if equipped)
Ultrasonic Rear Parking Assist
(if equipped)
This feature uses ultrasonic sensors on
the rear bumper to help you avoid collid-
ing with objects when parking the vehi-
cle. It operates only at speeds less than
5 mph.
The rear parking assist display is locat-
ed near the rear window. The lights on
the display provide distance information.
Low-toned continuous beeps play out of
the speakers when objects are within 23
inches (0.6 m) of the rear bumper.
To turn off the system, press the
(Rear Parking Assist) disable
button located below the climate
controls on the instrument panel. The
indicator light will illuminate when the
system is off.
See Section 2 of your Owner Manual.
Canceling a Remote Start
To turn off the engine instead of driving
after a remote start:
• Press and release the Hazard
Warning Flashers button. Press it
again to turn off the flashers.
• Turn the key in the ignition switch to
the Run position and then off.
See Section 2 of your Owner Manual.
Note: Remote Vehicle Start will not
operate if the key is in the ignition, the
hood or liftgate is open, or the Check
Engine light is illuminated on the instru-
ment cluster.
Note: The Ultrasonic Rear Parking Assist
(URPA) system will not activate if you
have a trailer hitch or trailer attached to
your vehicle, or a bicycle or other object
is hanging out of your vehicle. The sys-
tem may also be disabled if dirt, snow or
ice builds up on the sensors.

21
Sunroof (if equipped)
2. Pull down the seat until it latches to
the floor.
3. Lift up the seatback until it locks in
place. Pull on the seatback to make
sure it is locked.
To remove the seat:
• With the seat folded down, pull rear-
ward on the handle located in the
center of the seat. The latches will
become disengaged, allowing the
seat to be easily pulled rearward.
To install the seat:
1. Align the rollers on the bottom of the
seat track with the latches on the
floor.
2. Push the seat forward until it latches.
Make sure the seat is locked in place.
See Section 1 of your Owner Manual.
The open/close and vent switches for
the power sunroof are located on the
overhead console. The open/close
switch has two detents.
(Express-Open):Press the rear of
this switch completely (to the second
detent) to express-open the sunroof. To
stop the sunroof, press the switch again.
To partially open the sunroof, lightly
press and hold the rear of the switch (to
the first detent) until the sunroof reaches
the desired position.
(Express-Close):Press the front of
this switch completely (to the second
detent) to express-close the sunroof. To
stop the sunroof, press the switch again.
To partially close the sunroof, lightly
press and hold the front of the switch (to
the first detent) until the sunroof reaches
the desired position.
(Vent): Press the rear of this switch
to vent the sunroof. Press the switch
again to stop the sunroof.
Press and hold the front of the switch
to close the sunroof.
See Section 2 of your Owner Manual.
The Universal Home Remote is a com-
bined universal transmitter and receiver
that can activate up to three devices,
such as garage door openers, entry
door locks, gates and security systems.
It’s recommended that you read the
instructions in your Owner Manual com-
pletely before attempting to program any
of the three channels on the Universal
Home Remote. The engine should be
turned off when programming the
remote.
See Section 2 of your Owner Manual.
Universal Home Remote
(if equipped)
Note: Do not use the Universal Home
Remote with any garage door opener that
does not have the “stop and reverse” fea-
ture or any opener manufactured before
April 1, 1982.
PERFORMANCE & MAINTENANCE
6-Speed Automatic Transmission
Controls (if equipped)
The 6-speed automatic transmission has
a unique gear range selection mode
called Driver Shift Control that enables
the driver to select the range of gears
desired for the current driving conditions,
such as when driving on downhill grades.