Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push 
to try the call again or try again after driving a few miles into another cellular area.
See also:
Dolly Towing (Front-Wheel-Drive Vehicles Only)
To tow a front-wheel-drive vehicle from the front with two wheels on the ground:
1. Put the front wheels on a dolly.
2. Move the shift lever to P (Park).
3. Set the parking brake.
4. Clamp the s ...
Washing the Vehicle
To preserve the vehicle's finish, wash it often and out of direct sunlight.
Notice: Do not use petroleum based, acidic, or abrasive cleaning agents as they can damage the vehicle's paint, metal, or p ...
Doing Your Own Service Work
If the vehicle is a hybrid, see the hybrid supplement for more information.
WARNING
You can be injured and the vehicle could be damaged if you try to do service work on a vehicle without knowing eno ...