2009 GMC YUKON light

Weatherstrips
Silicone grease on weatherstrips will make them last
longer, seal better, and not stick or squeak. Apply
silicone grease with a clean cloth. During very cold,
damp weather frequent application may be required. See
Recommended Fluids and Lubricants on page 6-13.
Washing Your Vehicle
The best way to preserve the vehicle’s nish is to keep
it clean by washing it often.
Notice:Certain cleaners contain chemicals that can
damage the emblems or nameplates on the vehicle.
Check the cleaning product label. If it states that
it should not be used on plastic parts, do not use it
on the vehicle or damage may occur and it would
not be covered by the warranty.
Do not wash the vehicle in direct sunlight. Use a car
washing soap. Do not use cleaning agents that are
petroleum based or that contain acid or abrasives, as
they can damage the paint, metal or plastic on the
vehicle. Approved cleaning products can be obtainedfrom your dealer/retailer. Follow all manufacturers’
directions regarding correct product usage, necessary
safety precautions and appropriate disposal of any
vehicle care product.
Rinse the vehicle well, before washing and after to
remove all cleaning agents completely. If they are
allowed to dry on the surface, they could stain.
Dry the nish with a soft, clean chamois or an all-cotton
towel to avoid surface scratches and water spotting.
High pressure car washes may cause water to enter the
vehicle. Avoid using high pressure washes closer
than 12 inches (30 cm) to the surface of the vehicle.
Use of power washers exceeding 1,200 psi (8 274 kPa)
can result in damage or removal of paint and decals.
Cleaning Exterior Lamps/Lenses
Use only lukewarm or cold water, a soft cloth and a car
washing soap to clean exterior lamps and lenses. Follow
instructions underWashing Your Vehicle on page 5-111.
5-111

Electrical System
Add-On Electrical Equipment
Notice:Do not add anything electrical to the
vehicle unless you check with your dealer/retailer
rst. Some electrical equipment can damage
the vehicle and the damage would not be covered
by the vehicle’s warranty. Some add-on electrical
equipment can keep other components from
working as they should.
Add-on equipment can drain the vehicle battery, even if
the vehicle is not operating.
The vehicle has an airbag system. Before attempting to
add anything electrical to the vehicle, seeServicing
Your Airbag-Equipped Vehicle on page 1-96.
Windshield Wiper Fuses
The windshield wiper motor is protected by an internal
circuit breaker and a fuse. If the motor overheats due to
heavy snow, etc., the wiper will stop until the motor
cools. If the overload is caused by some electrical
problem and not snow, etc., be sure to get it xed.
Power Windows and Other Power
Options
Circuit breakers protect the power windows and other
power accessories. If the current load is too heavy,
the circuit breaker opens and then closes after a cool
down period, protecting the circuit until the problem
is xed or goes away.
Fuses and Circuit Breakers
If the vehicle is a Two-mode Hybrid, see the Two-mode
Hybrid manual for more information.
The wiring circuits in the vehicle are protected from
short circuits by a combination of fuses, circuit breakers
and fusible thermal links. This greatly reduces the
chance of res caused by electrical problems.
Look at the silver-colored band inside the fuse. If the
band is broken or melted, replace the fuse. Be sure you
replace a bad fuse with a new one of the identical
size and rating.
If you ever have a problem on the road and don’t have
a spare fuse, you can borrow one that has the same
amperage. Just pick some feature of your vehicle
that you can get along without – like the radio or
cigarette lighter – and use its fuse, if it is the correct
amperage. Replace it as soon as you can.
5-116

Instrument Panel Fuse Block
The instrument panel
fuse block access
door is located on the
driver side edge of
the instrument panel.
Pull off the cover to access the fuse block.
The vehicle may not use all of the fuses shown.
Fuses Usage
1 Rear Seats
2 Rear Accessory Power Outlet
3 Steering Wheel Controls Backlight
4 Driver Door Module
5-117

Fuses Usage
5Dome Lamps, Driver Side Turn
Signal
6 Driver Side Turn Signal, Stoplamp
7 Instrument Panel Back Lighting
8Passenger Side Turn Signal,
Stoplamp
9Passenger Door Module, Driver
Unlock
10 Power Door Lock 2 (Unlock Feature)
11 Power Door Lock 2 (Lock Feature)
12Stoplamps, Center-High Mounted
Stoplamp
13 Rear Climate Controls
14 Power Mirror
15 Body Control Module (BCM)
16 Accessory Power Outlets
17 Interior Lamps
18 Power Door Lock 1 (Unlock Feature)
19 Rear Seat Entertainment
20Ultrasonic Rear Parking Assist,
Power LiftgateFuses Usage
21 Power Door Lock 1 (Lock Feature)
22 Driver Information Center (DIC)
23 Rear Wiper
24 Cooled Seats
25Driver Seat Module, Remote
Keyless Entry System
26Driver Power Door Lock
(Unlock Feature)
Circuit Breaker Usage
LT DRDriver Side Power Window Circuit
Breaker
Harness
ConnectorUsage
LT DR Driver Door Harness Connection
BODY Harness Connector
BODY Harness Connector
5-118

Fuses Usage
48 Auxiliary Climate Control (Ignition)
49Center High-Mounted Stoplamp
(CHMSL)
50 Rear Defogger
51 Heated Mirrors
52 SEO B1 Uptter Usage (Battery)
53Cigarette Lighter, Auxiliary Power
Outlet
54Automatic Level Control Compressor
Relay, SEO Uptter Usage
55 Climate Controls (Ignition)
56Engine Control Module, Secondary
Fuel Pump (Ignition)
J-Case Fuses Usage
57 Cooling Fan 1
58 Automatic Level Control Compressor
59 Heavy Duty Antilock Brake System
60 Cooling Fan 2
61 Antilock Brake System 1
62 Starter
63 Stud 2 (Trailer Brakes)
64 Left Bussed Electrical Center 1
65 Electric Running Boards
J-Case Fuses Usage
66 Heated Windshield Washer System
67 Four-Wheel Drive System
68Stud 1 (Trailer Connector Battery
Power)
69 Mid-Bussed Electrical Center 1
70 Climate Control Blower
71 Power Liftgate Module
72 Left Bussed Electrical Center 2
Relays Usage
FAN HI Cooling Fan High Speed
FAN LO Cooling Fan Low Speed
FAN CNTRL Cooling Fan Control
HDLP LO/HID Low-Beam Headlamp
FOG LAMP Front Fog Lamps
A/C CMPRSR Air Conditioning Compressor
STRTR Starter
PWR/TRN Powertrain
FUEL PMP Fuel Pump
PRK LAMP Parking Lamps
REAR DEFOG Rear Defogger
RUN/CRANK Switched Power
5-122

Maintenance Footnotes
†The U.S. Environmental Protection Agency or the
California Air Resources Board has determined that the
failure to perform this maintenance item will not nullify
the emission warranty or limit recall liability prior to
the completion of the vehicle’s useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the
maintenance be recorded.
#Lubricate the front suspension, steering linkage, and
parking brake cable guides. Control arm ball joints on
2500 series vehicles require lubrication but should not be
lubricated unless their temperature is 10°F (−12°C) or
higher, or they could be damaged. Control arm ball joints
on 1500 series vehicles are maintenance-free.
(a)Visually inspect brake lines and hoses for proper
hook-up, binding, leaks, cracks, chafing, etc. Inspect disc
brake pads for wear and rotors for surface condition.
Inspect other brake parts, including calipers, parking
brake, etc.(b)Visually inspect front and rear suspension and
steering system for damaged, loose, or missing parts,
signs of wear, or lack of lubrication. Inspect power
steering lines and hoses for proper hook-up, binding,
leaks, cracks, chafing, etc. Visually check constant
velocity joints, rubber boots, and axle seals for leaks.
(c)Visually inspect hoses and have them replaced if they
are cracked, swollen, or deteriorated. Inspect all pipes,
fittings, and clamps; replace with genuine parts as
needed. To help ensure proper operation, a pressure test
of the cooling system and pressure cap and cleaning the
outside of the radiator and air conditioning condenser is
recommended at least once a year.
(d)Inspect wiper blades for wear, cracking, or
contamination. Clean the windshield and wiper blades,
if contaminated. Replace wiper blades that are worn or
damaged. See Windshield Wiper Blade Replacement on
page 5-60 and Windshield, Backglass, and Wiper Blades
on page 5-112 for more information.
(e)Make sure the safety belt reminder light and safety
belt assemblies are working properly. Look for any other
loose or damaged safety belt system parts. If you see
anything that might keep a safety belt system from doing
its job, have it repaired. Have any torn or frayed safety
belts replaced. Also see Checking the Restraint Systems
on page 1-98.
6-8

A
Accessories and Modications............................ 5-3
Accessory Power Outlets.................................3-20
Adding a Snow Plow or Similar Equipment.........4-40
Adding Equipment to Your Airbag-Equipped
Vehicle.......................................................1-96
Additives, Fuel................................................. 5-6
Add-On Electrical Equipment...........................5-116
Adjustable Throttle and Brake Pedal..................2-27
Air Cleaner/Filter, Engine.................................5-19
Air Conditioning......................................3-22, 3-25
Airbag
Passenger Status Indicator...........................3-38
Readiness Light..........................................3-37
Airbag System................................................1-81
Adding Equipment to Your Airbag-Equipped
Vehicle...................................................1-96
How Does an Airbag Restrain?......................1-88
Passenger Sensing System...........................1-90
Servicing Your Airbag-Equipped Vehicle..........1-96
What Makes an Airbag Inate?......................1-88
What Will You See After an Airbag Inates?....1-88
When Should an Airbag Inate?....................1-86
Where Are the Airbags?...............................1-83
Antenna, Rear Side Window...........................3-138
Antenna, XM™ Satellite Radio Antenna
System.....................................................3-138
Antilock Brake System (ABS)............................. 4-5
Antilock Brake, System Warning Light................3-42Appearance Care
Aluminum or Chrome-Plated Wheels.............5-113
Care of Safety Belts...................................5-110
Chemical Paint Spotting..............................5-114
Cleaning Exterior Lamps/Lenses..................5-111
Fabric/Carpet............................................5-109
Finish Care...............................................5-112
Finish Damage..........................................5-114
Instrument Panel, Vinyl, and Other
Plastic Surfaces.....................................5-110
Interior Cleaning........................................
5-108
Leather....................................................5-110
Sheet Metal Damage..................................5-114
Tires........................................................5-114
Underbody Maintenance.............................5-114
Washing Your Vehicle.................................5-111
Weatherstrips............................................5-111
Windshield, Backglass, and Wiper Blades......5-112
Appointments, Scheduling Service.....................7-10
Ashtray.........................................................3-21
Audio System.................................................3-83
Audio Steering Wheel Controls....................3-136
Navigation/Radio System, see
Navigation Manual..................................3-114
Radio Reception........................................3-137
Rear Seat Audio (RSA)...............................3-134
Setting the Clock.........................................3-84
Theft-Deterrent Feature...............................3-136
XM™ Satellite Radio Antenna System...........3-138
1

Audio System(s).............................................3-86
Rear Side Window Antenna.........................3-138
Automatic Headlamp System............................3-16
Automatic Transmission
Fluid..................................................5-21, 5-24
Operation...................................................2-29
Autoride
®.......................................................4-51
Auxiliary Roof Mounted Lamp Switch.................3-18
B
Battery..........................................................5-44
Electric Power Management..........................3-20
Run-Down Protection...................................3-20
Bench Seat, Split (60/40).................................1-14
Bluetooth
®....................................................3-114
Brake
Emergencies................................................ 4-6
Brake Fluid....................................................5-41
Brakes..........................................................5-41
System Warning Light..................................3-40
Braking........................................................... 4-4
Braking in Emergencies..................................... 4-6
Break-In, New Vehicle.....................................2-24
Bucket Seats, Rear.........................................1-20
Bulb Replacement...........................................5-57
Halogen Bulbs............................................5-57
Headlamp Aiming........................................5-54
License Plate Lamps....................................5-59Bulb Replacement (cont.)
Replacement Bulbs......................................5-60
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps........................................5-58
Buying New Tires...........................................5-80
C
Calibration.....................................................3-61
California Fuel.................................................. 5-6
California Perchlorate Materials
Requirements............................................... 5-4
California Proposition 65 Warning....................... 5-4
Canadian Owners............................................... iii
Capacities and Specications..........................5-123
Carbon Monoxide...................2-12, 2-14, 2-46, 4-29
Care of
Safety Belts..............................................5-110
Cargo Cover..................................................2-77
CD, MP3 ............................................3-102, 3-107
Center Console Storage Area...........................2-75
Center Seat...................................................1-13
Chains, Tire...................................................5-86
Charging System Light....................................3-39
Check
Engine Lamp..............................................3-44
Checking Things Under the Hood......................5-12
Chemical Paint Spotting.................................5-114
2