ECU GMC YUKON DENALI 2010 Service Manual

Center Console Storage
A console compartment is located between the bucket
seats.
Press the button on the front of the console and swing
the console cover to open it.
An accessory power outlet may be located inside the
console. SeeAccessory Power Outlet(s) on page 4‑16.
The rear of the console also has a cupholder that
swings down for the rear seat passengers.
Roof Rack System
{WARNING:
If something is carried on top of the vehicle that is
longer or wider than the roof rack— like paneling,
plywood, or a mattress— the wind can catch it
while the vehicle is being driven. The item being
carried could be violently torn off, and this could
cause a collision, and damage the vehicle. Never
carry something longer or wider than the roof rack
on top of the vehicle unless using a GM Certified
accessory carrier. For vehicles with a roof rack, the rack can be used to
load items. For roof racks that do not have crossrails
included, GM Certified crossrails can be purchased as
an accessory. See your dealer/retailer for additional
information.
Notice:
Loading cargo on the roof rack that weighs
more than 91 kg (200 lbs) or hangs over the rear or
sides of the vehicle may damage the vehicle. Load
cargo so that it rests evenly between the crossrails,
making sure to fasten cargo securely.
To prevent damage or loss of cargo when driving,
check to make sure crossrails and cargo are securely
fastened. Loading cargo on the roof rack will make the
vehicle’s center of gravity higher. Avoid high speeds,
sudden starts, sharp turns, sudden braking or abrupt
maneuvers, otherwise it may result in loss of control.
If driving for a long distance, on rough roads, or at high
speeds, occasionally stop the vehicle to make sure the
cargo remains in its place.
3-63

Don't exceed the maximum vehicle capacity when
loading the vehicle. For more information on vehicle
capacity and loading, seeLoading the Vehicle
on
page 5‑31.
Be sure the cargo is properly loaded.
.If small heavy objects are placed on the roof, place
the load in the area over the rear wheels (behind
the rear side door on Yukon XL Denali models).
If needed, cut a piece of 3/8 inch plywood to fit
inside the crossrails and siderails to spread the
load. If plywood is used, tie it to the siderail
supports.
.Tie the load to the crossrails or the siderail
supports. Use the crossrails only to keep the load
from sliding. To move the crossrails, pull out on
the latch release handle at each end. Slide the
crossrail to the desired position balancing the force
side to side. Push the release handle back into the
latched position and slide the crossrail back and
forth slightly to be sure the latch snaps securely
into place.
.If needed to carry long items, move the crossrails
as far apart as possible. Tie the load to the
crossrails and the siderails or siderail supports.
Also tie the load to the bumpers, but do not tie the
load so tightly that the crossrails or siderails are
damaged.
.To reduce wind noise, put the front crossrail
approximately 18 to 24 inches (46 to 58 cm) to the
front supports.
.After moving a crossrail, be sure it is securely
locked into the siderail.
A Center High-Mounted Stoplamp (CHMSL) is located
above the rear window. Make sure items are loaded on
the roof of the vehicle, do not block or damage the
CHMSL.
To prevent damage or loss of cargo while driving,
periodically stop and check to make sure the luggage
and cargo is still securely fastened.
Rear Storage Area
For vehicles with a rear storage area, it is located in the
rear cargo area of the vehicle on the driver's side trim
panel.
Turn the knobs and swing the storage door to access
the storage compartment. The door can be removed.
Convenience Net
Use the convenience net, located in the rear, to store
small loads as far forward as possible. The net should
not be used to store heavy loads.
3-64

Cargo Cover
{WARNING:
An improperly stored cargo cover could be thrown
about the vehicle during a collision or sudden
maneuver. Someone could be injured. If the cover
is removed, always store it in the proper storage
location. When it is replaced, always be sure that
it is securely reattached.
To use the cargo cover, if equipped: 1. Pull the cover handle toward the rear of the vehicle.
2. Latch the cover posts into the retaining sockets on the cargo area trim panels.
To return the cover to the retracted position: 1. Pull up on the cover handle to release the cover posts from the retaining sockets.
2. Let the cover move forward to the full retracted position. To remove the cover from a regular wheelbase model:
1. Let the cover go all the way into the holder.
2. Then, grasping the driver's side cover end cap, push the cover end cap toward the passenger side
of the vehicle.
3. Swing the cover rearward and take it out of the vehicle.
To put the cover in the vehicle: 1. Make sure the cover slot in the holder faces rearward with the round surface facing down.
2. Then, hold the cover at an angle and place the cover end cap into the slot in the passenger side
trim panel.
3. Move the other end of the cover forward and hold it next to the driver's side trim panel slot.
4. Press the end caps in, to allow the cover to fit into the trim slot.
5. Pull lightly on the cover holder to make sure it is secure.
On extended wheelbase models there are two
cover positions. The slots furthest forward allow
the cover to be used if the third seat is removed or
folded down. The cover can be installed and
removed from either side.
3-65

Section 4 Instrument Panel
Oil Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-39
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-39
Fog Lamp Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
Cruise Control Light . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
Highbeam On Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
Tow/Haul Mode Light . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
Fuel Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41
Low Fuel Warning Light . . . . . . . . . . . . . . . . . . . . . . . . 4-42
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . .4-42
DIC Operation and Displays (Using DIC Buttons) . . . . . . . . . . . . . . . . . . . . . . . . . 4-43
DIC Operation and Displays (Using Trip Odometer Reset Stem) . . . . . . . . . . 4-50
DIC Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-53
DIC Warnings and Messages . . . . . . . . . . . . . . . . . . 4-56
DIC Vehicle Customization (With DIC Buttons) . . . . . . . . . . . . . . . . . . . . . . . . . . 4-66 Audio System(s)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-75
Setting the Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-76
Radio(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-77
Using an MP3 (Radios with CD) . . . . . . . . . . . . . . . 4-94
Using an MP3 (Radios with CD and DVD) . . . . 4-101
XM Radio Messages . . . . . . . . . . . . . . . . . . . . . . . . . 4-108
Navigation/Radio System . . . . . . . . . . . . . . . . . . . . . 4-110
Bluetooth
®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-110
Rear Seat Entertainment (RSE) System . . . . . . 4-120
Rear Seat Audio (RSA) . . . . . . . . . . . . . . . . . . . . . . . 4-130
Theft-Deterrent Feature . . . . . . . . . . . . . . . . . . . . . . 4-132
Audio Steering Wheel Controls . . . . . . . . . . . . . . . 4-132
Radio Reception . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-135
Rear Side Window Antenna . . . . . . . . . . . . . . . . . . 4-136
XM™ Satellite Radio Antenna System . . . . . . . . 4-136
4-2

Oil Pressure Light
{WARNING:
Do not keep driving if the oil pressure is low.
The engine can become so hot that it catches fire.
Someone could be burned. Check the oil as soon
as possible and have the vehicle serviced.
Notice: Lack of proper engine oil maintenance can
damage the engine. The repairs would not be
covered by the vehicle warranty. Always follow the
maintenance schedule in this manual for changing
engine oil. This light comes on briefly while starting the engine.
If it does not, have the vehicle serviced by your
dealer/retailer. If the system is working normally the
indicator light then goes off.
If the light comes on and stays on, it means that oil is
not flowing through the engine properly. The vehicle
could be low on oil and it might have some other
system problem.
Security Light
For information regarding
this light and the vehicle's
security system, see
Content Theft-Deterrent
on page 3‑20.
4-39

No XM Signal :The system is functioning correctly, but
the vehicle is in a location that is blocking the XM™
signal. When the vehicle is moved into an open area,
the signal should return.
Loading XM : The audio system is acquiring and
processing audio and text data. No action is needed.
This message should disappear shortly.
Channel Off Air : This channel is not currently in
service. Tune in to another channel.
Channel Unauth : This channel is blocked or cannot
be received with your XM Subscription package.
Channel Unavail : This previously assigned channel is
no longer assigned. Tune to another station. If this
station was one of the presets, choose another station
for that preset button.
No Artist Info : No artist information is available at this
time on this channel. The system is working properly.
No Title Info : No song title information is available at
this time on this channel. The system is working
properly.
No CAT Info : No category information is available at
this time on this channel. The system is working
properly. No Information :
No text or informational messages are
available at this time on this channel. The system is
working properly.
CAT Not Found : There are no channels available for
the selected category. The system is working properly.
XM Theftlocked : The XM receiver in the vehicle could
have previously been in another vehicle. For security
purposes, XM receivers cannot be swapped between
vehicles. If this message is received after having the
vehicle serviced, check with your dealer/retailer.
XM Radio ID : If tuned to channel 0, this message
alternates with the XM™ Radio 8 digit radio ID label.
This label is needed to activate the service.
Unknown : If this message is received when tuned to
channel 0, there could be a receiver fault. Consult with
your dealer/retailer.
Check Antenna : If this message does not clear within
a short period of time, the receiver or antenna could
have a fault. Consult with your dealer/retailer.
Check XM Receivr : If this message does not clear
within a short period of time, the receiver could have a
fault. Consult with your dealer/retailer.
XM Not Available : If this message does not clear
within a short period of time, the receiver could have a
fault. Consult with your dealer/retailer.
4-109

Loading Your Vehicle for Off-Road
Driving
{WARNING:
.Cargo on the load floor piled higher than the
seatbacks can be thrown forward during a
sudden stop. You or your passengers could
be injured. Keep cargo below the top of the
seatbacks.
.Unsecured cargo on the load floor can be
tossed about when driving over rough terrain.
You or your passengers can be struck by
flying objects. Secure the cargo properly.(Continued)
WARNING: (Continued)
.Heavy loads on the roof raise the vehicle's
center of gravity, making it more likely to roll
over. You can be seriously or fatally injured if
the vehicle rolls over. Put heavy loads inside
the cargo area, not on the roof. Keep cargo in
the cargo area as far forward and low as
possible.
There are some important things to remember about
how to load your vehicle.
.The heaviest things should be on the floor, forward
of the rear axle. Put heavier items as far forward
as you can.
.Be sure the load is properly secured, so things are
not tossed around.
You will find other important information under Loading
the Vehicle
on page 5‑31and Tires on page 6‑57.
5-14

If you put things inside your vehicle–like
suitcases, tools, packages, or anything else –they
go as fast as the vehicle goes. If you have to stop
or turn quickly, or if there is a crash, they'll keep
going.
{WARNING:
Things you put inside your vehicle can strike
and injure people in a sudden stop or turn,
or in a crash.
.Put things in the cargo area of your
vehicle. Try to spread the weight evenly.
.Never stack heavier things, like
suitcases, inside the vehicle so that some
of them are above the tops of the seats.
(Continued)
WARNING: (Continued)
.Do not leave an unsecured child restraint
in your vehicle.
.When you carry something inside the
vehicle, secure it whenever you can.
.Do not leave a seat folded down unless
you need to.
There's also important loading information for
off-road driving in this manual. See “Loading Your
Vehicle for Off-Road Driving” underOff-Road
Driving
on page 5‑12.
5-36

5. Secure the vehicle to the dolly following themanufacturer's instructions.
6. Use an adequate clamping device designed for towing to ensure that the front wheels are locked
into the straight position.
7. Turn the ignition to LOCK/OFF.
Level Control
Automatic Level Control
The automatic level control rear suspension is available
on light‐duty vehicles and comes as a part of the
Autoride
®suspension, if equipped.
This type of level control is fully automatic and will
provide a better leveled riding position as well as better
handling under a variety of passenger and loading
conditions. An air compressor connected to the rear
shocks will raise or lower the rear of the vehicle to
maintain proper vehicle height. The system is activated
when the ignition key is turned to ON/RUN and will
automatically adjust vehicle height thereafter. The
system may exhaust (lower vehicle height) for up to
ten minutes after the ignition key has been turned off.
You may hear the air compressor operating when the
height is being adjusted.
If a weight‐distributing hitch is being used, it is
recommended to allow the shocks to inflate, thereby
leveling the vehicle prior to adjusting the hitch.
Autoride®
With this feature, improved vehicle ride and handling is
provided under a variety of passenger and loading
conditions.
The system is fully automatic and uses a computer
controller to continuously monitor vehicle speed, wheel
to body position, lift/dive and steering position of the
vehicle. The controller then sends signals to each shock
absorber to independently adjust the damping level to
provide the optimum vehicle ride.
Autoride also interacts with the tow/haul mode that,
when activated, will provide additional control of the
shock absorbers. This additional control results in better
ride and handling characteristics when the vehicle is
loaded or towing a trailer. See “Tow/Haul Mode”under
Towing a Trailer
on page 5‑42for more information.
5-41

Driving with a Trailer
{WARNING:
When towing a trailer, exhaust gases may collect
at the rear of the vehicle and enter if the liftgate,
trunk/hatch, or rear-most window is open.
Engine exhaust contains carbon monoxide (CO)
which cannot be seen or smelled. It can cause
unconsciousness and even death.
To maximize safety when towing a trailer:
.Have the exhaust system inspected for leaks
and make necessary repairs before starting
a trip.
.Never drive with the liftgate, trunk/hatch,
or rear-most window open.(Continued)
WARNING: (Continued)
.Fully open the air outlets on or under the
instrument panel.
.Adjust the Climate Control system to a setting
that brings in only outside air and set the fan
speed to the highest setting. See Climate
Control System in the Index.
For more information about carbon monoxide, see
Engine Exhaust on page 3‑40.
Towing a trailer requires a certain amount of
experience. The combination you are driving is longer
and not as responsive as the vehicle itself. Get
acquainted with the handling and braking of the rig
before setting out for the open road.
Before starting, check all trailer hitch parts and
attachments, safety chains, electrical connectors,
lamps, tires and mirrors. If the trailer has electric
brakes, start the combination moving and then apply the
trailer brake controller by hand to be sure the
brakes work.
During the trip, check occasionally to be sure that the
load is secure and the lamps and any trailer brakes
still work.
5-56