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:
Tire Pressure
Tires need the correct amount of
air pressure to operate
effectively.
Notice: Neither tire
underinflation nor
overinflation is good.
Underinflated tires, or tires
that do not have enough a ...
Safety
Eight airbags are standard, with two more optional. Antilock brakes and an
electronic stability system are standard. Options include adaptive cruise
control with forward collision warning, lane de ...
Tire Rotation
If the vehicle has non-directional
tires, they should be rotated
every 12 000 km/7,500 mi.
See Maintenance Schedule.
Tires are rotated to achieve a
uniform wear for all tires.
The first rotat ...