General Information . . . . . . . . . . 10-2
Vehicle Checks . . . . . . . . . . . . . . . 10-4
Headlamp Aiming . . . . . . . . . . . 10-38
Bulb Replacement . . . . . . . . . . 10-38
Electrical System . . . . . . . . . . . . 10-42
Wheels and Tires . . . . . . . . . . . 10-52
Jump Starting . . . . . . . . . . . . . . . 10-90
Towing the Vehicle . . . . . . . . . . 10-94
Appearance Care . . . . . . . . . . . 10-99
General Information . . . . . . . . . . 11-1
Special Application
Services . . . . . . . . . . . . . . . . . . . . 11-8
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . 11-9
Recommended Fluids,
2015 GMC Sierra Owner Manual
Vehicle Identification . . . . . . . . . 12-1
Customer Information . . . . . . . 13-1
Customer Information . . . . . . . . 13-1
Reporting Safety Defects . . . . 13-12
Vehicle Data Recording and
Privacy. . . . . . . . . . . . . . . . . . . . 13-14
OnStar . . . . . . . . . . . . . . . . . . . . . . . 14-1
OnStar Services . . . . . . . . . . . . . . 14-2
OnStar Additional
Information . . . . . . . . . . . . . . . . . . 14-6
Index . . . . . . . . . . . . . . . . . . . . . i-1