GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./Cana-
da/Mexico-13566587) - 2020 - CRC - 4/15/19
Index 421
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 283
Accessory Power . . . . . . . . . . . . . . . 209
Active Fuel Management . . . . . . . 211
Adaptive Cruise Control . . . . . . . . 232
Add-On Electrical Equipment . . . 280
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 412
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . 385
Adjustable Throttle and Brake Pedal . . . . . . . . . . . . . . . . . . . 201
Adjustments
Lumbar, Front Seats . . . . . . . . . . . . 49
Air Cleaner/Filter, Engine . . . . . . . 296
Air Conditioning . . . . . . . . . . . 175, 179
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 181
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 180
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 85
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 78
Passenger Sensing System . . . . 80
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 78 Airbag System (cont'd)
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 78
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 77
Where Are the Airbags? . . . . . . . . 75
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 84
Passenger Status Indicator . . . 135
Readiness Light . . . . . . . . . . . . . . 134
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 84
System Check . . . . . . . . . . . . . . . . . . 73
Alarm Vehicle Security . . . . . . . . . . . . . . . . 33
Alert Lane Change . . . . . . . . . . . . . . . . . 250
Side Blind Zone (SBZA) . . . . . . 249
All-Season Tires . . . . . . . . . . . . . . . . 327
All-Terrain Tires . . . . . . . . . . . . . . . . . 328
Antilock Brake System (ABS) . . . 224 Warning Light . . . . . . . . . . . . . . . . . 138
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 367
Interior . . . . . . . . . . . . . . . . . . . . . . . . 372
Armrest Storage . . . . . . . . . . . . . . . . 110