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:
Hitches
Use the correct hitch equipment.
See your dealer or a hitch dealer for
assistance.
- The rear bumper on the vehicle
is not intended for hitches.
Do not attach rental hitches or
other bumper-t ...
Ride Quality
The ATS' ride quality is confident and comfortable. A difference of 1 inch in
wheel diameter isn't always noticeable, but I found the 2.5L with its 17-inch
wheels to ride a little softer than the ...
Express Window Anti-Pinch Override
WARNING
If express override is activated, the window will not reverse automatically.
You or others could be injured and the window could be damaged. Before you use express
override, make sur ...