2005 GMC SIERRA fuel cap

At the First 100, 1,000 and 6,000
Miles (160, 1 600 and 10 000km)
Check dual wheel nut torque. For proper torque, see
Capacities and Specications on page 5-130.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil (Gasoline Engine) on
page 5-20for further details.
Notice:It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary. SeeEngine
Coolant on page 5-35for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the windshield
washer tank and add the proper uid if necessary.
At Least Once a Month
Tire Ination Check
Visually inspect your tires and make sure tires are
inated to the correct pressures. Do not forget to check
your spare tire. SeeTires on page 5-72for further
details. Check to make sure the spare tire is stored
securely. Push, pull and then try to turn the spare tire.
If it moves, tighten it. SeeChanging a Flat Tire on
page 5-92.
6-11

Audio System(s) (cont.)
Radio with CD............................................3-73
Radio with Six-Disc CD................................3-98
Rear Seat Audio (RSA)...............................3-122
Setting the Time for Radios with Radio
Data Systems (RDS)................................3-70
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-69
Theft-Deterrent Feature...............................3-123
Understanding Radio Reception...................3-125
XM™ Satellite Radio Antenna System...........3-127
Automatic Headlamp System............................3-15
Automatic Transmission
Fluid..................................................5-27, 5-30
Operation...................................................2-26
Auxiliary Roof Mounted Lamp Switch.................3-17
B
Battery..........................................................5-52
Battery Warning Light......................................3-38
Before Leaving on a Long Trip.........................4-41
Brake
Anti-Lock Brake System (ABS)........................ 4-6
Emergencies................................................ 4-8
Parking......................................................2-48
System Warning Light..................................3-39
Brakes..........................................................5-49
Braking........................................................... 4-5Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-21
Bulb Replacement...........................................5-62
Center High-Mounted Stoplamp (CHMSL)
and Cargo Lamp......................................5-67
Front Turn Signal, Sidemarker and
Daytime Running Lamps...........................5-64
Halogen Bulbs............................................5-62
Headlamps.................................................5-63
Pickup Box Identication and Fender
Marker Lamps.........................................5-69
Replacement Bulbs......................................5-71
Roof Marker Lamps.....................................5-65
Taillamps....................................................5-69
Buying New Tires...........................................5-86
C
California Fuel.................................................. 5-7
Canadian Owners................................................ ii
Capacities and Specications..........................5-130
Carbon Monoxide...................2-15, 2-53, 4-44, 4-68
Care of
Safety Belts..............................................5-115
Your Cassette Tape Player..........................3-125
Your CD and DVD Player...........................3-126
Your CDs and DVDs..................................3-126
Cargo Lamp...................................................3-19
Center Console Storage Area...........................2-71
2