See also:

Global Positioning System (GPS)
The navigation system determines the position of the vehicle by using satellite signals, various vehicle signals, and map data. At times, other interferences such as the satellite condition, road c ...

Pairing
A Bluetooth-enabled cell phone must be paired to the in-vehicle Bluetooth system and then connected to the vehicle before it can be used. See the cell phone manufacturer's user guide for B ...

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 ...