Introduction

See also:

Finish Damage
Any stone chips, fractures, or deep scratches in the finish should be repaired right away. Bare metal will corrode quickly and may develop into major repair expense. Minor chips and scratches can be ...

Jump Start (eAssist Only)
This display allows for on-board jump starting of the vehicle. See “Jump Starting (On-board with eAssist Only)” for more information. ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...