
(k)Inspect system. Check all fuel and vapor lines
and hoses for proper hook-up, routing, and
condition. Check that the purge valve, if the vehicle
has one, works properly.
(m)Change automatic transmission uid and
external transmission lter if the vehicle is mainly
driven under one or more of these conditions:
In heavy city traffic where the outside
temperature regularly reaches 90°F (32°C) or
higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police, or delivery
service.
(n)Vehicles with diesel engine or with GVWR
above 10,000 lbs (4 536 kg) only: Inspect shields
for damage or looseness. Adjust or replace as
required. This is a Noise Emission Control Service.
Applicable to vehicles sold in the United States
and recommended for vehicles sold in Canada.
(p)If you drive regularly under dusty conditions,
inspect the lter or change indicator (if equipped)
at each engine oil change.(q)Visually inspect belt for fraying, excessive
cracks, or obvious damage. Replace belt if
necessary.
Owner Checks and Services
These owner checks and services should be
performed at the intervals speci ed to help
ensure the safety, dependability, and emission
control performance of your vehicle. Your
GM Goodwrench
®dealer can assist you with
these checks and services.
Be sure any necessary repairs are completed at
once. Whenever any uids or lubricants are added
to your vehicle, make sure they are the proper
ones, as shown inRecommended Fluids and
Lubricants on page 629.
At the First 100, 1,000 and 6,000
Miles (160, 1 600 and 10 000 km)
Check dual wheel nut torque. For proper torque,
seeCapacities and Speci cations on page 609.
625

Light (cont.)
Passenger Airbag Status Indicator............ 250
Safety Belt Reminder............................... 247
Security................................................... 263
Tow/Haul Mode........................................ 264
Traction Off.............................................. 256
Up-Shift................................................... 254
Lighting
Entry........................................................ 227
Exit.......................................................... 227
Loading Your Vehicle................................... 409
Locking Rear Axle....................................... 366
Lockout Protection....................................... 126
Locks
Delayed Locking...................................... 122
Door........................................................ 120
Lockout Protection................................... 126
Power Door............................................. 121
Programmable Automatic Door Locks....... 123
Rear Door Security Locks........................ 126
Loss of Control........................................... 371
Low Fuel Warning Light............................... 265
Lumbar
Power Controls.......................................... 11M
Maintenance Schedule
Additional Required Services.................... 621
At Each Fuel Fill...................................... 626
At Least Once a Month............................ 626
At Least Once a Year .............................. 627
At the First 100, 1,000 and 6,000 Miles
(160, 1 600 and 10 000km).................. 625
Introduction.............................................. 614
Maintenance Footnotes............................ 623
Maintenance Record................................ 634
Maintenance Requirements...................... 614
Normal Maintenance Replacement
Parts.................................................... 632
Owner Checks and Services.................... 625
Recommended Fluids and Lubricants....... 629
Scheduled Maintenance........................... 617
Using....................................................... 615
Your Vehicle and the Environment............ 615
Malfunction Indicator Light........................... 258
Manual Seats.................................................. 9
Manual Selectable Ride............................... 365
Manual Transmission
Fluid........................................................ 500
Operation................................................. 149
667

Overheated Engine Protection
Operating Mode....................................... 508
Owner Checks and Services....................... 625
Owners, Canadian.......................................... 3
P
Paint, Damage............................................ 596
Park (P)
Shifting Into............................................. 170
Shifting Out of......................................... 172
Parking
Brake....................................................... 169
Over Things That Burn............................ 173
Passenger Airbag Status Indicator............... 250
Passenger Sensing System......................... 103
Passing....................................................... 369
Passlock
®.................................................... 133
Pickup Conversion to Chassis Cab.............. 423
Power
Accessory Outlet(s).................................. 228
Door Locks.............................................. 121
Electrical System..................................... 599
Lumbar Controls........................................ 11
Retained Accessory (RAP)....................... 137
Seat.......................................................... 10Power (cont.)
Steering Fluid.......................................... 515
Windows.................................................. 130
Programmable Automatic Door Locks.......... 123
Q
Questions and Answers About Safety Belts ... 26
R
Radios........................................................ 289
AM-FM Radio.......................................... 291
Care of Your Cassette Tape Player.......... 350
Care of Your CD and DVD Player............ 352
Care of Your CDs and DVDs................... 352
Radio with Cassette and CD.................... 304
Radio with CD......................................... 294
Radio with Six-Disc CD............................ 318
Rear Seat Audio...................................... 347
Setting the Time for Radios with Radio
Data Systems (RDS)............................ 291
Setting the Time for Radios without
Radio Data Systems (RDS).................. 290
Theft-Deterrent......................................... 348
Understanding Reception......................... 350
669