See also:

Exterior Lighting
The exterior lamp control is located on the turn signal/lane change lever. : Turn to operate the exterior lamps. : Turns the exterior lamps off. AUTO: Turns the exterior lamps on and off automat ...

Place a Call Using a Stored Number
1. Push . System responds: “OnStar ready.” 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.” Verify Minutes and Expiration Push and say “minutes” t ...

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 ...