See also:

Armrest Storage
For vehicles with a rear seat armrest, pull the rear seat armrest forward to access cupholders with removable liners. For vehicles with a rear storage area, pull the lever to access. ...

Entering an Address and Point of Interest, and Storing Preset Destinations
Entering an Address Enter a destination by inputting the city name first: 1. Press O to turn the system on. 2. A caution may appear. Press OK to proceed. 3. Press DEST. 4. Press2(Address Entry). ...

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 ...