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:
Vehicle Load Limits
It is very important to know how much weight the vehicle can carry. This
weight is called the vehicle capacity weight and includes the weight of all
occupants, cargo and all nonfactory—installed opt ...
Torque Lock
If you are parking on a hill and you do not shift the transmission into P (Park)
properly, the weight of the vehicle can put too much force on the parking pawl in
the transmission. It might be dif ...
Steering, Suspension, and Chassis Components
Visually inspect front and rear suspension and steering system for damaged, loose,
or missing parts or signs of wear. Inspect the power steering for proper hook-up,
binding, leaks, cracks, chafing ...