Vehicle Care - GMC Savana 2020 Owner's Manual

Vehicle Care

General Information
General Information . . . . . . . . . . 216
California Proposition
65 Warning . . . . . . . . . . . . . . . . . 216
California Perchlorate
Materials Requirements . . . . . 217
Accessories and
Modifications . . . . . . . . . . . . . . . . 217
Vehicle Checks
Doing Your Own
Service Work . . . . . . . . . . . . . . . 217
Hood . . . . . . . . . . . . . . . . . . . . . . . . . 218
Engine Compartment
Overview . . . . . . . . . . . . . . . . . . . . 219
Engine Oil . . . . . . . . . . . . . . . . . . . . 223
Engine Oil Life System . . . . . . . 225
Automatic Transmission Fluid
(6-Speed Transmission) . . . . . 226
Automatic Transmission Fluid
(8-Speed Transmission) . . . . . 229
Engine Air Cleaner/Filter . . . . . . 230
Cooling System . . . . . . . . . . . . . . 231
Engine Overheating . . . . . . . . . . 236
Engine Fan . . . . . . . . . . . . . . . . . . . 237
Power Steering Fluid . . . . . . . . . 237
Washer Fluid . . . . . . . . . . . . . . . . . 238
Brakes . . . . . . . . . . . . . . . . . . . . . . . 239
Brake Fluid . . . . . . . . . . . . . . . . . . . 240
Battery - North America . . . . . . 241
Rear Axle . . . . . . . . . . . . . . . . . . . . 242
Noise Control System . . . . . . . . 242
Starter Switch Check . . . . . . . . . 243
Automatic Transmission Shift
Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 244
Ignition Transmission Lock
Check . . . . . . . . . . . . . . . . . . . . . . . 244
Park Brake and P (Park)
Mechanism Check . . . . . . . . . . 244
Wiper Blade Replacement . . . . 245
Windshield Replacement . . . . . 245
Headlamp Aiming
Front Headlamp Aiming . . . . . . 246
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . 246
Halogen Bulbs . . . . . . . . . . . . . . . . 246
Front Turn Signal, Sidemarker,
and Parking Lamps . . . . . . . . . 246
Taillamps . . . . . . . . . . . . . . . . . . . . . 247
Center High-Mounted
Stoplamp (CHMSL) . . . . . . . . . 248
License Plate Lamp . . . . . . . . . . 248
Electrical System
Electrical System Overload . . . 249
Vehicle Care
Fuses and Circuit Breakers . . . 250
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 250
Floor Console Fuse Block . . . . 254
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 256
All-Season Tires . . . . . . . . . . . . . . 257
Winter Tires . . . . . . . . . . . . . . . . . . 257
Tire Sidewall Labeling . . . . . . . . 258
Tire Designations . . . . . . . . . . . . . 260
Tire Terminology and
Definitions . . . . . . . . . . . . . . . . . . 261
Tire Pressure . . . . . . . . . . . . . . . . . 264
Tire Pressure Monitor
System . . . . . . . . . . . . . . . . . . . . . . 265
Tire Pressure Monitor
Operation . . . . . . . . . . . . . . . . . . . 266
Tire Inspection . . . . . . . . . . . . . . . . 269
Tire Rotation . . . . . . . . . . . . . . . . . 269
Dual Tire Rotation . . . . . . . . . . . . 271
When It Is Time for New
Tires . . . . . . . . . . . . . . . . . . . . . . . . 271
Buying New Tires . . . . . . . . . . . . . 272
Different Size Tires and
Wheels . . . . . . . . . . . . . . . . . . . . . . 273
Uniform Tire Quality
Grading . . . . . . . . . . . . . . . . . . . . . 274
Wheel Alignment and Tire
Balance . . . . . . . . . . . . . . . . . . . . . 275
Wheel Replacement . . . . . . . . . . 275
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