OnStar Services

See also:

Driving with a Trailer
Towing a trailer requires experience. Get familiar with handling and braking with the added trailer weight. The vehicle is now longer and not as responsive as the vehicle is by itself. Check ...

Battery Replacement
Under normal use, the battery in your remote keyless entry transmitter should last about two years. You can tell the battery is weak if the transmitter won’t work at the normal range in any lo ...

Jump Starting (with or without eAssist)
For more information about the vehicle battery, see Battery. If the battery has run down, try to use another vehicle and some jumper cables to start your vehicle. Be sure to use the following ...