OnStar Services

See also:

Trip Odometer
The trip odometer can record the number of kilometers or miles traveled for up to two trips. The trip odometer is part of the Driver Information Center (DIC); for more information see Driver ...

Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when d ...

Magnetic Ride Control
The V-Series reaches elite levels of road-holding performance, but also maintains the poise of a luxury car in "regular" driving conditions. The technical enabler of that dual-mode drivi ...