2007 GMC YUKON charging

Instrument Panel Overview........................ 190
Hazard Warning Flashers.......................... 192
Other Warning Devices............................. 192
Horn.......................................................... 192
Tilt Wheel.................................................. 193
Turn Signal/Multifunction Lever.................. 193
Turn and Lane-Change Signals................. 194
Headlamp High/Low-Beam Changer.......... 195
Flash-to-Pass............................................ 195
Windshield Wipers..................................... 196
Rainsense™ II Wipers............................... 197
Windshield Washer.................................... 198
Rear Window Wiper/Washer...................... 199
Cruise Control........................................... 200
Exterior Lamps.......................................... 203
Headlamps on Reminder........................... 205
Daytime Running Lamps (DRL)................. 205
Automatic Headlamp System..................... 205
Fog Lamps................................................ 206
Instrument Panel Brightness...................... 207
Dome Lamps............................................. 207
Dome Lamp Override................................ 207
Entry Lighting............................................ 207
Exit Lighting.............................................. 207Front Reading Lamps................................ 208
Battery Run-Down Protection..................... 208
Ultrasonic Rear Parking Assist (URPA)...... 208
Accessory Power Outlet(s)........................ 213
Ashtray(s) and Cigarette Lighter................ 214
Climate Controls......................................... 214
Dual Automatic Climate Control System....... 214
Outlet Adjustment...................................... 222
Rear Air Conditioning and Heating
System and Electronic Climate
Controls................................................. 223
Warning Lights, Gages, and Indicators..... 225
Instrument Panel Cluster........................... 226
Speedometer and Odometer...................... 227
Trip Odometer........................................... 227
Tachometer............................................... 227
Safety Belt Reminder Light........................ 228
Passenger Safety Belt Reminder Light....... 228
Airbag Readiness Light............................. 229
Passenger Airbag Status Indicator............. 230
Charging System Light.............................. 232
Voltmeter Gage......................................... 232
Brake System Warning Light..................... 233
Section 3 Instrument Panel
187

Charging System Light
The charging system
light will come on briey
when you turn on the
ignition, but the
engine is not running,
as a check to show you
it is working.
It should go out once the engine is running. If it
stays on, or comes on while you are driving,
you may have a problem with the charging system.
It could indicate that you have problems with a
generator drive belt, or another electrical problem.
Have it checked right away. Driving while this
light is on could drain your battery.
When this light comes on the DIC will also display
the battery not charging message. SeeDIC
Warnings and Messages on page 252.
If you must drive a short distance with the light on,
be certain to turn off all your accessories, such
as the radio and air conditioner.
Voltmeter Gage
When your engine is not
running, but the ignition
is in RUN, this gage
shows your battery’s
state of charge in
DC volts.
When the engine is running, the gage shows the
condition of the charging system. The gage
may 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.
232

Readings in the low warning zone may 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.
You can only drive for a short time with the
reading in either warning zone. If you must drive,
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.Brake System Warning Light
With the ignition on, the brake system warning
light will come on when you set the parking brake.
If you try to drive with the parking brake engaged,
a chime will sound when the vehicle speed is
greater than 3 mph (5 km/h).
Your vehicle’s hydraulic brake system is divided
into two parts. If one part is not working, the other
part can still work and stop you. For good
braking, though, you need both parts working well.
If the warning light comes on and a chime
sounds there could be a brake problem. Have
your brake system inspected right away.
This light may also come on due to low brake
uid. SeeBrakes on page 459for more
information.
233

REPLACE BATTERY IN REMOTE KEY
If a remote keyless entry transmitter battery is low,
this message will display. The battery needs to
be replaced in the transmitter. See “Battery
Replacement” underRemote Keyless Entry
System Operation on page 116.
RIGHT REAR DOOR OPEN
If the passenger’s side rear door is not fully closed
and the vehicle is in a drive gear, this message
will display and a chime will sound. Stop and turn
off the vehicle, check the door for obstructions,
and close the door again. Check to see if the
message still appears on the DIC.
SERVICE AIR BAG
If there is a problem with the airbag system, this
message will display. Have your dealer inspect the
system for problems. SeeAirbag Readiness
Light on page 229andAirbag System on page 90
for more information.
SERVICE BATTERY CHARGING
SYSTEM
On some vehicles, if there is a problem with the
battery charging system, this message will display.
Under certain conditions, the battery warning
light may also turn on in the instrument panel
cluster. SeeCharging System Light on page 232.
Driving with this problem could drain the battery.
Turn off all unnecessary accessories. Have
the electrical system checked as soon as possible.
See your dealer.
SERVICE BRAKE SYSTEM
If there is a problem with the brake system, this
message will display along with the brake system
warning light. SeeBrake System Warning Light
on page 233. If this message appears, stop
as soon as possible and turn off the vehicle.
Restart the vehicle and check for the message on
the DIC display. If the message is still displayed
or appears again when you begin driving, the
brake system needs service as soon as possible.
See your dealer.
257

Trailer Wiring Harness
Heavy-Duty Trailer Wiring Package
Your vehicle is equipped with the seven-wire
trailer towing harness. This harness with a
seven-pin universal heavy-duty trailer connector is
attached to the rear bumper beam. It is located
next to the integrated trailer hitch.The seven-wire harness contains the following
trailer circuits:
Yellow: Left Stop/Turn Signal
Dark Green: Right Stop/Turn Signal
Brown: Taillamps
White: Ground
Light Green: Back-up Lamps
Red w/ Black Stripe: Battery Feed*
Dark Blue: Trailer Brake*
*The fuses for these two circuits are installed in
the underhood electrical center, but the circuits are
not connected. They should be installed by your
dealer or a qualied service center.
If you are charging a remote (non-vehicle) battery,
press the tow/haul mode button located at the
end of the shift lever. This will boost the vehicle
system voltage and properly charge the battery.
If the trailer is too light for tow/haul mode, you can
turn on the headlamps as a second way to
boost the vehicle system and charge the battery.
414

Bucket Seats, Rear....................................... 25
Bulb Replacement....................................... 476
Halogen Bulbs......................................... 476
Headlamp Aiming..................................... 473
License Plate Lamps................................ 477
Replacement Bulbs.................................. 478
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps..................................... 476
Buying New Tires........................................ 498
C
Calibration................................................... 158
California Fuel............................................. 424
California Proposition 65 Warning................ 421
Canadian Owners........................................... 3
Capacities and Specications...................... 546
Carbon Monoxide.....126, 128, 156, 386, 400
Care of
Safety Belts............................................. 530
Your CD and DVD Player........................ 338
Your CDs and DVDs................................ 338
Cargo Cover............................................... 181Cargo Management System........................ 182
Center Console Storage Area...................... 179
Center Front Passenger Position, Safety
Belts.......................................................... 52
Chains, Tire................................................. 504
Charging System Light................................ 232
Check
Engine Light............................................ 237
Checking Things Under the Hood................ 428
Chemical Paint Spotting.............................. 534
Child Restraints
Child Restraint Systems............................. 68
Infants and Young Children........................ 64
Lower Anchors and Tethers for Children..... 74
Older Children........................................... 61
Securing a Child Restraint in a Rear Seat
Position.................................................. 83
Securing a Child Restraint in the Center
Front Seat Position................................. 85
Securing a Child Restraint in the Right
Front Seat Position................................. 86
Where to Put the Restraint........................ 72
Cigarette Lighter.......................................... 214
595

I
Ignition Positions......................................... 140
Infants and Young Children, Restraints.......... 64
Ination - Tire Pressure............................... 488
Instrument Panel
Overview.................................................. 190
Storage Area............................................ 178
Instrument Panel (I/P)
Brightness................................................ 207
Cluster..................................................... 226
J
Jump Starting.............................................. 464
K
Keyless Entry System................................. 114
Keys........................................................... 113
L
Labeling, Tire Sidewall................................. 482
Lamps
Battery Run-Down Protection................... 208
Dome....................................................... 207Lamps (cont.)
Dome Lamp Override............................... 207
Exterior.................................................... 203
Fog .......................................................... 206
Front Reading.......................................... 208
LATCH System
Child Restraints......................................... 74
Level Control............................................... 399
License Plate Lamps................................... 477
Liftgate, Power............................................ 128
Liftgate/Liftglass........................................... 126
Liftglass/Liftgate........................................... 126
Light
Airbag Readiness..................................... 229
Anti-Lock Brake System Warning............. 234
Brake System Warning............................. 233
Charging System..................................... 232
Cruise Control.......................................... 242
Fog Lamp................................................ 242
Highbeam On.......................................... 242
Low Fuel Warning.................................... 244
Malfunction Indicator................................ 237
Oil Pressure............................................. 241
Passenger Airbag Status Indicator............ 230
Passenger Safety Belt Reminder.............. 228
Safety Belt Reminder............................... 228
Security................................................... 241
600