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:
Active Fuel Management®
Vehicles with V8 engines may have Active Fuel Management™. This system allows
the engine to operate on either all or half of its cylinders, depending on the driving
conditions. When less power is ...
Engine Compartment Overview
A. Engine Air Cleaner/Filter.
B. Power Steering Reservoir and Cap (Under Engine Cover).
See Power Steering Fluid.
C. Engine Oil Fill Cap. See Engine Oil.
D. Engine Oil Dipstick (Out of ...
Ultrasonic Parking Assist
If available, Ultrasonic Front and Rear Parking Assist (UFRPA) uses sensors
on the front and rear bumpers to detect objects while parking the vehicle. It
operates at speeds less than 8 km/h (5 mph). ...