battery GMC YUKON DENALI 2010 User Guide

Starting Procedure
1. With your foot off the accelerator pedal, turn theignition to START. When the engine starts,
let go of the key. The idle speed will slow down
as the engine warms. Do not race the engine
immediately after starting it. Operate the engine
and transmission gently to allow the oil to warm up
and lubricate all moving parts.
The vehicle has a Computer-Controlled Cranking
System. This feature assists in starting the engine
and protects components. If the ignition key is
turned to the START position, and then released
when the engine begins cranking, the engine will
continue cranking for a few seconds or until the
vehicle starts. If the engine does not start and the
key is held in START, cranking will be stopped
after 15 seconds to prevent cranking motor
damage. To prevent gear damage, this system also
prevents cranking if the engine is already running.
Engine cranking can be stopped by turning the
ignition switch to the ACC/ACCESSORY or
LOCK/OFF position.
Notice: Cranking the engine for long periods of
time, by returning the key to the START position
immediately after cranking has ended, can overheat
and damage the cranking motor, and drain the
battery. Wait at least 15 seconds between each try,
to let the cranking motor cool down. 2. If the engine does not start after 5‐10 seconds,
especially in very cold weather (below 0°F or
−18°C), it could be flooded with too much gasoline.
Try pushing the accelerator pedal all the way to the
floor and holding it there as you hold the key in
START for up to a maximum of 15 seconds. Wait at
least 15 seconds between each try, to allow the
cranking motor to cool down. When the engine
starts, let go of the key and accelerator. If the
vehicle starts briefly but then stops again, repeat
these steps. This clears the extra gasoline from the
engine. Do not race the engine immediately after
starting it. Operate the engine and transmission
gently until the oil warms up and lubricates all
moving parts.
Notice: The engine is designed to work with the
electronics in the vehicle. If you add electrical
parts or accessories, you could change the way
the engine operates. Before adding electrical
equipment, check with your dealer/retailer. If you
do not, the engine might not perform properly.
Any resulting damage would not be covered by the
vehicle warranty.
3-27

Torque Lock
If you are parking on a hill and you do not shift the
transmission into P (Park) properly, the weight of the
vehicle can put too much force on the parking pawl in
the transmission. It might be difficult to pull the shift
lever out of P (Park). This is called torque lock.
To prevent torque lock, set the parking brake and then
shift into P (Park) properly before you leave the driver
seat. To find out how, seeShifting Into Park
on
page 3‑37.
When you are ready to drive, move the shift lever out
of P (Park) before releasing the parking brake.
If torque lock does occur, you might need to have
another vehicle push yours a little uphill to take some of
the pressure from the parking pawl in the transmission.
Then you should be able to pull the shift lever out of
P (Park).
Shifting Out of Park
This vehicle is equipped with an electronic shift lock
release system. The shift lock release is designed to:
.Prevent ignition key removal unless the shift lever
is in P (Park) with the shift lever button fully
released, and
.Prevent movement of the shift lever out of
P (Park), unless the ignition is in ON/RUN or
ACC/ACCESSORY and the regular brake pedal
is applied.
The shift lock release is always functional except in the
case of an uncharged or low voltage (less than 9 volt)
battery.
If the vehicle has an uncharged battery or a battery with
low voltage, try charging or jump starting the battery.
See Jump Starting
on page 6‑42for more information.
3-38

To program up to three devices:
1. To verify that the garage door opener is a FixedCode unit, remove the battery cover on the hand
held transmitter supplied by the manufacturer of
the garage door opener motor. If there are a row
of dip switches similar to the graphic above,
the garage door opener is a Fixed Code unit.
If you do not see a row of dip switches, return to
the previous section for Programming Universal
Home Remote –Rolling Code. Your hand held transmitter can have between
eight to 12 dip switches depending on the brand of
transmitter.
The garage door opener receiver (motor head unit)
could also have a row of dip switches that can be
used when programming the Universal Home
Remote. If the total number of switches on the
motor head and hand held transmitter are different,
or if the dip switch settings are different, use the
dip switch settings on the motor head unit to
program the Universal Home Remote. The motor
head dip switch settings can also be used when
the original hand held transmitter is not available.
3-58

Section 4 Instrument Panel
Instrument Panel Overview. . . . . . . . . . . . . . . . . . . . . . . .4-3
Hazard Warning Flashers . . . . . . . . . . . . . . . . . . . . . . . 4-3
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Tilt Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Heated Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Turn Signal/Multifunction Lever . . . . . . . . . . . . . . . . . . 4-4
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . 4-5
Headlamp High/Low-Beam Changer . . . . . . . . . . . . 4-5
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Windshield Wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Windshield Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Rear Window Wiper/Washer . . . . . . . . . . . . . . . . . . . . 4-7
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Exterior Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
Headlamps on Reminder . . . . . . . . . . . . . . . . . . . . . . 4-12
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . 4-12
Automatic Headlamp System . . . . . . . . . . . . . . . . . . 4-13
Fog Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Instrument Panel Brightness . . . . . . . . . . . . . . . . . . . 4-14
Dome Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Dome Lamp Override . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Front Reading Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Electric Power Management . . . . . . . . . . . . . . . . . . . 4-15 Battery Run-Down Protection . . . . . . . . . . . . . . . . . . 4-16
Accessory Power Outlet(s) . . . . . . . . . . . . . . . . . . . . . 4-16
Ashtray(s) and Cigarette Lighter . . . . . . . . . . . . . . . 4-17
Climate Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Dual Automatic Climate Control System . . . . . . . 4-18
Outlet Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
Rear Air Conditioning and Heating System
and Electronic Climate Controls . . . . . . . . . . . . . 4-24
Warning Lights, Gages, and Indicators . . . . . . . . . .4-25
Instrument Panel Cluster . . . . . . . . . . . . . . . . . . . . . . . 4-26
Speedometer and Odometer . . . . . . . . . . . . . . . . . . . 4-27
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-27
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-27
Safety Belt Reminders . . . . . . . . . . . . . . . . . . . . . . . . . 4-27
Airbag Readiness Light . . . . . . . . . . . . . . . . . . . . . . . . 4-28
Passenger Airbag Status Indicator . . . . . . . . . . . . . 4-29
Charging System Light . . . . . . . . . . . . . . . . . . . . . . . . 4-30
Voltmeter Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-31
Brake System Warning Light . . . . . . . . . . . . . . . . . . . 4-32
Antilock Brake System (ABS) Warning Light . . . 4-33
StabiliTrak
®Indicator Light . . . . . . . . . . . . . . . . . . . . . 4-33
Engine Coolant Temperature Gage . . . . . . . . . . . . 4-34
Tire Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34
Malfunction Indicator Lamp . . . . . . . . . . . . . . . . . . . . 4-35
Oil Pressure Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-38
4-1

;(Parking Lamps) : Turns on the parking lamps
together with the following:
.Instrument Panel Lights
.Taillamps
.License Plate Lamps
2 (Headlamps) : Turns on the headlamps together with
the following lamps listed below.
.Parking Lamps
.Instrument Panel Lights
.Taillamps
.License Plate Lamps
When the headlamps are turned on while the vehicle is
on, the headlamps will turn off automatically 10 minutes
after the ignition is turned off. When the headlamps are
turned on while the vehicle is off, the headlamps will
stay on for 10 minutes before automatically turning off
to prevent the battery from being drained. Turn the
headlamp control to off and then back to the headlamp
on position to make the headlamps stay on for an
additional 10 minutes.
Headlamps on Reminder
A reminder chime will sound when the headlamps or
parking lamps are manually turned on and the ignition is
off and a door is open. To disable the chime, turn the
light off.
Daytime Running Lamps (DRL)
Daytime Running Lamps (DRL) can make it easier for
others to see the front of your vehicle during the day.
Fully functional daytime running lamps are required on
all vehicles first sold in Canada.
The DRL system comes on when the following
conditions are met:
.The ignition is on.
.The exterior lamps control is in AUTO.
.The engine is running.
.The light sensor determines it is daytime.
When the DRL system is on, only the DRL lamps are
on. The taillamps, sidemarker, instrument panel lights,
and other lamps will not be on.
When it begins to get dark, the automatic headlamp
system switches from DRL to the headlamps.
4-12

Entry Lighting
The vehicle has an illuminated entry feature.
When the doors are opened, the dome lamps will
come on if the dome override button is in the extended
position. If the dome override button is pressed in,
the lamps will not come on.
Exit Lighting
The interior lamps come on when the key is removed
from the ignition. They turn off automatically in
20 seconds. The lights do not come on if the dome
override button is pressed in.
Front Reading Lamps
The reading lamps are located on the overhead
console.
To turn the reading lamps on or off, press the button
located next to each lamp.
The lamps can be adjusted to a desired direction.
The vehicle may also have reading lamps in other
locations. To turn the lamps on or off, press the button
located next to the lamp. These lamps are fixed and
cannot be adjusted.
Electric Power Management
The vehicle has Electric Power Management (EPM) that
estimates the battery's temperature and state of charge.
It then adjusts the voltage for best performance and
extended life of the battery.
When the battery's state of charge is low, the voltage is
raised slightly to quickly bring the charge back up.
When the state of charge is high, the voltage is lowered
slightly to prevent overcharging. If the vehicle has a
voltmeter gage or a voltage display on the Driver
Information Center (DIC), you may see the voltage
move up or down. This is normal. If there is a problem,
an alert will be displayed.
The battery can be discharged at idle if the electrical
loads are very high. This is true for all vehicles. This is
because the generator (alternator) may not be spinning
fast enough at idle to produce all the power that is
needed for very high electrical loads.
A high electrical load occurs when several of the
following are on, such as: headlamps, high beams, fog
lamps, rear window defogger, climate control fan at high
speed, heated seats, engine cooling fans, trailer loads,
and loads plugged into accessory power outlets.
4-15

EPM works to prevent excessive discharge of the
battery. It does this by balancing the generator's output
and the vehicle's electrical needs. It can increase
engine idle speed to generate more power, whenever
needed. It can temporarily reduce the power demands
of some accessories.
Normally, these actions occur in steps or levels, without
being noticeable. In rare cases at the highest levels of
corrective action, this action may be noticeable to the
driver. If so, a Driver Information Center (DIC) message
might be displayed, such as BATTERY SAVER
ACTIVE, BATTERY VOLTAGE LOW, or LOW
BATTERY. If this message is displayed, it is
recommended that the driver reduce the electrical loads
as much as possible. SeeDIC Warnings and Messages
on page 4‑56.
Battery Run-Down Protection
This feature shuts off the dome, and reading lamps if
they are left on for more than 10 minutes when the
ignition is off. This will keep the battery from
running down.
Accessory Power Outlet(s)
Accessory power outlets can be used to connect
auxiliary electrical equipment, such as a cellular
telephone.
There are two under the climate controls, one inside the
center floor console, one on the rear of the center floor
console and one accessory power outlet in the rear
cargo area on the passenger side.
To use an accessory power outlet, remove the
protective cap. When not in use, always cover the
accessory power outlet with the protective cap.
The accessory power outlets are powered, even with
the ignition off. Continuing to use accessory power
outlets while the ignition is in LOCK/OFF may cause the
vehicle's battery to run down.
Notice:If electrical devices are left plugged into a
power outlet, the battery may drain causing the
vehicle not to start or damage to the battery. This
would not be covered by the vehicle warranty.
Always unplug all electrical devices when turning
off the vehicle.
4-16

Voltmeter Gage
When the engine is not
running, but the ignition is
on, this gage shows the
battery's state of charge
in DC volts.
When the engine is running, the gage shows the
condition of the charging system. The gage can
transition from a higher to lower or a lower to higher
reading. This is normal. Readings between the low and
high warning zones indicate the normal operating
range. The voltmeter gage can also read lower when in fuel
economy mode. This is normal.
Readings in the low warning zone can occur when a
large number of electrical accessories are operating in
the vehicle and the engine is left at an idle for an
extended period. This condition is normal since the
charging system is not able to provide full power at
engine idle. As engine speeds are increased, this
condition should correct itself as higher engine speeds
allow the charging system to create maximum power.
The vehicle can only be driven for a short time with the
reading in either warning zone. If the vehicle must be
driven, turn off all unnecessary accessories.
Readings in either warning zone indicate a possible
problem in the electrical system. Have the vehicle
serviced as soon as possible.
4-31

.Make sure to fuel the vehicle with quality fuel.
Poor fuel quality causes the engine not to run
as efficiently as designed and can cause:
stalling after start-up, stalling when the vehicle
is changed into gear, misfiring, hesitation on
acceleration, or stumbling on acceleration.
These conditions might go away once the engine
is warmed up.
If one or more of these conditions occurs, change
the fuel brand used. It will require at least one full
tank of the proper fuel to turn the light off.
SeeGasoline Octane on page 6‑6.
If none of the above have made the light turn off, your
dealer/retailer can check the vehicle. The dealer/retailer
has the proper test equipment and diagnostic tools to fix
any mechanical or electrical problems that might have
developed.Emissions Inspection and Maintenance
Programs
Some state/provincial and local governments have or
might begin programs to inspect the emission control
equipment on the vehicle. Failure to pass this
inspection could prevent getting a vehicle registration.
Here are some things to know to help the vehicle pass
an inspection:
.The vehicle will not pass this inspection if the
check engine light is on with the engine running,
or if the key is in ON/RUN and the light is not on.
.The vehicle will not pass this inspection if the
OBD II (on-board diagnostic) system determines
that critical emission control systems have not
been completely diagnosed by the system.
The vehicle would be considered not ready for
inspection. This can happen if the battery has
recently been replaced or if the battery has run
down. The diagnostic system is designed to
evaluate critical emission control systems during
normal driving. This can take several days of
routine driving. If this has been done and the
vehicle still does not pass the inspection for lack of
OBD II system readiness, your dealer/retailer can
prepare the vehicle for inspection.
4-37

DIC Warnings and Messages
Messages are displayed on the DIC to notify the driver
that the status of the vehicle has changed and that
some action may be needed by the driver to correct the
condition. Multiple messages may appear one after
another.
Some messages may not require immediate action, but
you can press any of the DIC buttons on the instrument
panel or the trip odometer reset stem on the instrument
panel cluster to acknowledge that you received the
messages and to clear them from the display.
Some messages cannot be cleared from the DIC
display because they are more urgent. These
messages require action before they can be cleared.
You should take any messages that appear on the
display seriously and remember that clearing the
messages will only make the messages disappear,
not correct the problem.
The following are the possible messages that can be
displayed and some information about them.
BATTERY LOW START VEHICLE
When the vehicle’s battery is severely discharged, this
message will display and four chimes will sound. Start
the vehicle immediately. If the vehicle is not started and
the battery continues to discharge, the climate controls,
heated seats, and audio systems will shut off and the
vehicle may require a jump start. These systems will
function again after the vehicle is started.
CHANGE ENGINE OIL SOON
This message displays when the engine oil needs to be
changed. When you change the engine oil, be sure to
reset the CHANGE ENGINE OIL SOON message.
See Engine Oil Life System
on page 6‑18for
information on how to reset the message. See Engine
Oil
on page 6‑15and Scheduled Maintenanceon
page 7‑3for more information.
4-56