2004 GMC SIERRA key

(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, cha®ng, 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,
®ttings and clamps; replace with genuine GM 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)Visually inspect wiper blades for wear or cracking.
Replace blade inserts that appear worn or damaged
or that streak or miss areas of the windshield.
(e)Make sure the safety belt reminder light and all your
belts, buckles, latch plates, retractors and anchorages
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 look for any opened or broken air bag
coverings, and have them repaired or replaced. (The air
bag system does not need regular maintenance.)
(f)Lubricate all key lock cylinders, body door hinges,
hood latch assembly, secondary latch, pivots, spring
anchor, release pawl, tailgate hinges, tailgatelinkage,
tailgate handle pivot points, latch bolt, fuel door
hinge, locks and folding seat hardware. More frequent
lubrication may be required when exposed to a corrosive
environment. Applying silicone grease on weatherstrips
with a clean cloth will make them last longer, seal
better and not stick or squeak.
(g)Add ¯uid as needed. A ¯uid loss could indicate a
problem; repair as needed. Check vent hose at transfer
case for kinks and proper installation.
(h)Change automatic transmission ¯uid and ®lter if the
vehicle GVWR is over 8600 lbs. or if the vehicle is
mainly driven under one or more of these conditions:
þIn heavy city traffic where the outside temperature
regularly reaches 90ÉF (32ÉC) or higher.
þIn hilly or mountainous terrain.
þWhen doing frequent trailer towing.
þUses such as found in taxi, police or delivery
service.
(i)Drain, ¯ush and re®ll cooling system. See Engine
Coolant on page 5-33for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and ®ller neck.
Pressure test the cooling system and pressure cap.
6-9

At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. See
Parking Brake on page 2-48if
necessary.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. Try to start the engine in each gear. The starter
should work only in PARK (P) or NEUTRAL (N).
If the starter works in any other position, contact
your GM Goodwrench dealer for service.
Automatic Transmission Shift Lock
Control System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle. It should be parked on a level
surface.
2. Firmly apply the parking brake. See
Parking Brake
on page 2-48if necessary.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the key to the RUN
position, but do not start the engine. Without
applying the regular brake, try to move the shift
lever out of PARK (P) with normal effort. If the shift
lever moves out of PARK (P), contact your
GM Goodwrench dealer for service.
6-12

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to LOCK in each shift lever position.
·The key should turn to LOCK only when the
shift lever is in PARK (P).
·The key should come out only in LOCK.
Contact your GM Goodwrench dealer if service is
required.
Parking Brake and Automatic
Transmission Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the
regular brake at once should the vehicle begin
to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
·To check the parking brake's holding ability: With
the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal. Do this until the vehicle is
held by the parking brake only.
·To check the PARK (P) mechanism's holding ability:
With the engine running, shift to PARK (P). Then
release the parking brake followed by the regular
brake.
Contact your GM Goodwrench dealer if service is
required.
Underbody Flushing Service
At least every spring, use plain water to ¯ush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-13

Usage Fluid/Lubricant
Manual
Transmission
(5±Speed
without Low
Gear, RPO
MG5)Synchromesh Transmission Fluid
(GM Part No. U.S. 12345349, in
Canada 10953465).
Manual
Transmission
(6±Speed)TranSyndŸ Synthetic Transmission
Fluid (GM Part No. U.S. 12378515,
in Canada 88900701).
Automatic
TransmissionDEXRON
ž-III Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Floor Shift
LinkageLubriplate Lubricant Aerosol
(GM Part No. U.S. 12346293, in
Canada 992723) or lubricant
meeting requirements of NLGI #2
Category LB or GC-LB.
Usage Fluid/Lubricant
Chassis
LubricationChassis Lubricant (GM Part No.
U.S. 12377985, in Canada
88901242) or lubricant meeting
requirements of NLGI #2, Category
LB or GC-LB.
Front AxleSAE 80W-90 Axle Lubricant
(GM Part No. U.S. 1052271, in
Canada 10950849).
Rear AxleSAE 75W-90 Synthetic Axle
Lubricant (GM Part No. U.S.
12378261, in Canada 10953455)
meeting GM Speci®cation 9986115.
Rear Axle
(Steerable)Synthetic Axle Lubricant; use only
GM Part No. U.S. 12378557, in
Canada 88901362.
Do not add
friction modi®er.
Manual
Transfer CaseDEXRONž-III Automatic
Transmission Fluid.
6-15

Roadside Assistance Program
Security While You Travel
1-800-GMC-8782 (1-800-462-8782, Roadside
Assistance prompt)
As the proud owner of a new GMC vehicle, you are
automatically enrolled in the GMC Roadside Assistance
program. This value-added service is intended to
provide you with peace of mind as you drive in the city
or travel the open road. GMC's Roadside Assistance
toll-free number is staffed by courteous and capable
Roadside Assistance Representatives who are available
24 hours a day, 365 days a year.
We will provide the following services during the
Bumper-to-Bumper warranty period, at no expense
to you:
·Fuel Delivery:Delivery of enough fuel ($5
maximum) for the customer to get to the nearest
service station.
·Lock-out Service (identi®cation required):
Replacement keys or locksmith service will
be covered at no charge if you are unable to gain
entry into your vehicle. Delivery of the replacement
key will be covered within 10 miles.
·Emergency Tow:Tow to the nearest dealership for
warranty service or in the event of a
vehicle-disabling accident. Assistance when the
vehicle is mired in sand, mud or snow.
·Flat Tire Change:Installation of a spare tire will be
covered at no charge. (The customer is responsible
for the repair or replacement of the tire if not
covered by a warrantable failure.)
·Jump Start:No-start occurrences which require a
battery jump start will be covered at no charge.
·Dealer Locator Service
·Trip Routing:Your Roadside Assistance
Representative can provide you with speci®c
information regarding this feature.
·Trip Interruption Expense Bene®ts:Your
Roadside Assistance Representative can provide
you with speci®c information regarding this feature.
In many instances, mechanical failures are covered
under GMC's Bumper-to-Bumper warranty. However,
when other services are utilized, our Roadside
Assistance Representatives will explain any payment
obligations you might incur.
7-6

K
Key Release Button (Manual Transmission)........2-23
KEYFOB X BATTERY LOW.............................3-68
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Lamps
Exterior......................................................3-14
Interior.......................................................3-19
Lamps On Reminder.......................................3-16
Lap Belt........................................................1-26
Lap-Shoulder Belt...........................................1-16
LATCH System
Child Restraints...........................................1-48
Securing a Child Restraint Designed for the
LATCH System................................1-50, 1-51
Latches, Seatback............................................ 1-8
Leaving Your Vehicle With
the Engine Running (Automatic
Transmission Only)......................................2-50
LEFT REAR DOOR AJAR (Crew Cab)...............3-69
Light
Air Bag Off .................................................3-37
Air Bag Readiness.......................................3-36
Anti-Lock Brake System Warning...................3-45
Battery Warning..........................................3-42Light (cont.)
Brake System Warning.................................3-43
Cruise Control.............................................3-53
Four-Wheel-Drive.........................................3-53
Low Fuel Warning.......................................3-54
Malfunction Indicator....................................3-49
Passenger Air Bag Status Indicator................3-40
Safety Belt Reminder...................................3-36
Tow/Haul Mode...........................................3-53
Traction Off................................................3-45
Up-Shift.....................................................3-43
Listening to a DVD..............................3-101, 3-115
Loading Your Vehicle.......................................4-57
Loading Your Vehicle for Off-Road Driving..........4-23
Locking Rear Axle...........................................4-12
Lockout Protection..........................................2-13
Lock-Out Switch.............................................2-18
Locks
Delayed Locking..........................................2-10
Door........................................................... 2-8
Lockout Protection.......................................2-13
Power Door.................................................. 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12
Loss of Control...............................................4-18
LOW COOLANT LEVEL..................................3-69
Low Fuel Warning Light...................................3-54
Lumbar
Power Controls............................................. 1-5
9

Rear Seat Entertainment System.....................3-115
Rear Seat Operation......................................... 1-9
Rear Seat Outside Passenger Positions
(Extended Cab and Crew Cab)......................1-27
Rear Seat Passengers, Safety Belts..................1-27
Rear Seat Top Strap Anchors (Extended Cab
Models)......................................................1-46
Rear Seat Top Strap Anchors
(Crew Cab Models)......................................1-47
Rear Window Defogger............................3-24, 3-32
Rearview Mirror, Automatic Dimming with
Compass and Temperature Display................2-57
Rearview Mirror, Automatic Dimming with
OnStar
ž, Compass and Temperature Display . . . 2-55
Rearview Mirrors.............................................2-54
Reclining Seatbacks.......................................... 1-6
Recommended Fluids and Lubricants.................6-14
Recreational Vehicle Towing.............................4-54
REDUCED ENGINE POWER...........................3-70
Regular Cab and Extended Cab Models.............1-76
Remote Alarm.................................................. 2-6
Remote Control.............................................3-119
Remote Keyless Entry System............................ 2-4
Remote Keyless Entry System, Operation............ 2-5
Removing the Flat Tire and Installing the
Spare Tire................................................5-101
Removing the Spare Tire and Tools...................5-97
Replacement Bulbs.........................................5-74
Replacing Brake System Parts..........................5-52
Replacing Restraint System Parts After a Crash.....1-88Reporting Safety Defects
Canadian Government..................................7-11
General Motors...........................................7-11
United States Government............................7-11
Restraint System Check
Checking Your Restraint Systems...................1-87
Replacing Restraint System Parts After a
Crash.....................................................1-88
Restraint Systems
Checking....................................................1-87
Replacing Parts...........................................1-88
Resynchronization............................................. 2-7
Retained Accessory Power (RAP)......................2-23
Right Front Passenger Position, Safety Belts......1-25
Right Front Passenger Position Top Strap Anchor
(Regular and Extended Models).....................1-45
RIGHT REAR DOOR AJAR (Crew Cab).............3-70
Roadside
Assistance Program....................................... 7-6
Rocking Your Vehicle To Get It Out...................4-52
Running Your Engine While You Are Parked.......2-53
S
Safety Belt
Reminder Light............................................3-36
Safety Belts
Care of....................................................5-119
Center Passenger Position............................1-25
13