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Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
198 Vehicle Care
Vehicle Care
General Information
General Information . . . . . . . . . . 199
California Proposition
65 Warning . . . . . . . . . . . . . . . . . 199
California Perchlorate
Materials Requirements . . . . . 200
Accessories and
Modifications . . . . . . . . . . . . . . . . 200
Vehicle Checks
Doing Your Own
Service Work . . . . . . . . . . . . . . . 200
Hood . . . . . . . . . . . . . . . . . . . . . . . . . 201
Engine Compartment
Overview . . . . . . . . . . . . . . . . . . . . 203
Engine Oil . . . . . . . . . . . . . . . . . . . . 204
Engine Oil Life System . . . . . . . 206
Automatic Transmission
Fluid . . . . . . . . . . . . . . . . . . . . . . . . 207
Engine Air Cleaner/Filter . . . . . . 208
Cooling System . . . . . . . . . . . . . . 209
Engine Overheating . . . . . . . . . . 212
Overheated Engine Protection
Operating Mode . . . . . . . . . . . . . 213
Washer Fluid . . . . . . . . . . . . . . . . . 214
Brakes . . . . . . . . . . . . . . . . . . . . . . . 214
Brake Fluid . . . . . . . . . . . . . . . . . . . 215
Battery - North America . . . . . . 216
Starter Switch Check . . . . . . . . . 217
Automatic Transmission Shift
Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . 217
Park Brake and P (Park)
Mechanism Check . . . . . . . . . . 218
Wiper Blade Replacement . . . . 218
Windshield Replacement . . . . . 219
Gas Strut(s) . . . . . . . . . . . . . . . . . . 219
Headlamp Aiming
Front Headlamp Aiming . . . . . . 220
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . 221
Halogen Bulbs . . . . . . . . . . . . . . . . 221
High Intensity Discharge (HID)
Lighting . . . . . . . . . . . . . . . . . . . . . 221
LED Lighting . . . . . . . . . . . . . . . . . 221
Headlamps, Front Turn Signal,
Sidemarker, and Parking
Lamps . . . . . . . . . . . . . . . . . . . . . . 221
Taillamps, Turn Signal,
Stoplamps, and Back-Up
Lamps . . . . . . . . . . . . . . . . . . . . . . 223
License Plate Lamp . . . . . . . . . . 224
Electrical System
High Voltage Devices and
Wiring . . . . . . . . . . . . . . . . . . . . . . . 225
Electrical System Overload . . . 225
Fuses and Circuit Breakers . . . 226
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 226
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 229
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 231
All-Season Tires . . . . . . . . . . . . . . 232
Winter Tires . . . . . . . . . . . . . . . . . . 233
Low-Profile Tires . . . . . . . . . . . . . 233
Summer Tires . . . . . . . . . . . . . . . . 233
Tire Sidewall Labeling . . . . . . . . 234
Tire Designations . . . . . . . . . . . . . 236
Tire Terminology and
Definitions . . . . . . . . . . . . . . . . . . 237
Tire Pressure . . . . . . . . . . . . . . . . . 239
Tire Pressure for High-Speed
Operation . . . . . . . . . . . . . . . . . . . 240
Tire Pressure Monitor
System . . . . . . . . . . . . . . . . . . . . . . 241
Tire Pressure Monitor
Operation . . . . . . . . . . . . . . . . . . . 242
Tire Inspection . . . . . . . . . . . . . . . . 245
Tire Rotation . . . . . . . . . . . . . . . . . 245
When It Is Time for New
Tires . . . . . . . . . . . . . . . . . . . . . . . . 246
Buying New Tires . . . . . . . . . . . . . 247
Different Size Tires and
Wheels . . . . . . . . . . . . . . . . . . . . . . 249
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