Page 472 of 512

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. SeeParking
Brake on page 97.
Be ready to apply the regular brake
immediately if the vehicle begins to move.
3. With the engine off and 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.
Parking Brake and 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.
472
Page 473 of 512

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.
Recommended Fluids and
Lubricants
Fluids and lubricants identi ed below by name,
part number, or speci cation may be obtained from
your dealer.
Usage Fluid/Lubricant
Engine OilThe engine requires a special
engine oil meeting GM Standard
GM4718M. Oils meeting this
standard may be identi ed as
synthetic, and should also be
identi ed with the American
Petroleum Institute (API) Certi ed
for Gasoline Engines starburst
symbol. However, not all synthetic
API oils with the starburst symbol
will meet this GM standard. You
should look for and use only an oil
that meets GM Standard GM4718M.
GM Goodwrench
®oil meets all the
requirements for your vehicle. For
the proper viscosity, seeEngine Oil
on page 377.
Engine Cooling
System50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant on
page 385.
473
Page 500 of 512

Appearance Care (cont.)
Weatherstrips........................................... 445
Windshield and Wiper Blades................... 447
Wood Panels........................................... 445
Ashtray(s).................................................... 178
Audio System.............................................. 285
Audio System(s).......................................... 225
Audio Steering Wheel Controls................. 227
Care of Your CD Player........................... 230
Care of Your CDs.................................... 229
Diversity Antenna System......................... 230
Theft-Deterrent Feature............................ 226
Understanding Radio Reception............... 228
XM™ Satellite Radio Antenna System...... 230
Automatic Door Lock..................................... 76
Automatic Transmission
Fluid........................................................ 384
Operation................................................... 92
Avoid Point/Area, Edit.................................. 257
B
Battery........................................................ 402
Exterior Lighting Battery Saver................. 169
Run-Down Protection............................... 171
Before Leaving on a Long Trip.................... 345Brake
Anti-Lock Brake System (ABS)................. 327
Emergencies............................................ 329
Parking...................................................... 97
System Warning Light.............................. 192
Brakes........................................................ 399
Braking....................................................... 326
Braking in Emergencies............................... 329
Break-In, New Vehicle................................... 87
Bulb Replacement....................................... 412
Headlamp Aiming..................................... 408
Buying New Tires........................................ 428
C
California Fuel............................................. 367
California Proposition 65 Warning................ 364
Canadian Owners........................................... 3
Capacities and Speci cations...................... 458
Carbon Monoxide............... 77,102, 349, 359
Care of
Safety Belts............................................. 445
Your CD Player........................................ 230
Your CDs ................................................. 229
CD
Six-Disc Changer..................................... 302
CD/DVD Player........................................... 305
500
Page 508 of 512

P
Paint, Damage............................................ 449
Park Aid...................................................... 175
Park (P)
Shifting Into............................................... 99
Shifting Out of......................................... 100
Parking
Assist....................................................... 175
Brake......................................................... 97
Over Things That Burn............................ 101
Passenger Airbag Status Indicator............... 189
Passenger Compartment Air Filter............... 184
Passenger Position, Safety Belts................... 27
Passenger Sensing System........................... 53
Passing....................................................... 335
Plan Route.................................................. 249
Power
Accessory Outlet(s).................................. 177
Door Locks................................................ 75
Electrical System..................................... 452
Lumbar Controls.......................................... 9
Reclining Seatbacks................................... 11
Retained Accessory (RAP)......................... 89
Seat............................................................ 8
Steering Fluid.......................................... 396Power (cont.)
Tilt Wheel and Telescopic Steering
Column................................................. 141
Windows.................................................... 82
Pretensioners, Safety Belt............................. 27
Problems with Route Guidance................... 283
Programmable Automatic Door Unlock........... 76
Q
Questions and Answers About Safety Belts ... 17
R
Racing or Other Competitive Driving............ 338
Radio.......................................................... 285
Personalization with Home and Away
Feature................................................. 311
Radios........................................................ 225
Care of Your CD Player........................... 230
Care of Your CDs.................................... 229
Theft-Deterrent......................................... 226
Understanding Reception ......................... 228
Rainsense™ Wipers.................................... 145
Raising the Retractable Hardtop.................. 125
Reading Lamps........................................... 171
Rear Axle.................................................... 407
Limited-Slip.............................................. 331
508
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