See also:

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 ...

Accepting or Declining a Call
When an incoming call is received, the infotainment system mutes and a ring tone is heard in the vehicle. Accepting a Call Turn the MENU/SELECT knob to “Answer” and press the MENU/ SELECT knob ...

Before Driving
The RSE is for rear seat passengers only. The driver cannot safely view the video screen while driving. In severe or extreme weather conditions the RSE system may not work until the temperature i ...