OnStar Services

See also:

Transmission Messages
SERVICE 4 WHEEL DRIVE If the vehicle has four-wheel drive, this message may display if a problem occurs with the four-wheel-drive system. If this message appears, stop as soon as possible and turn of ...

Jump Starting
For more information about the vehicle battery, see Battery on page 10‑25. If the vehicle's battery has run down, you may want to use another vehicle and some jumper cables to start your vehicl ...

Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...