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:
Interior
The ESV's extended dimensions don't yield significant gains for first- or
second-row occupants, but third-row passengers gain nearly 10 inches of legroom.
Cargo volume behind the third row increas ...
Tire Sidewall Labeling
Useful information about a tire
is molded into its sidewall.
The examples show a typical
passenger vehicle tire and a
compact spare tire sidewall.
Passenger (P–Metric) Tire Example
(A) Tire ...
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...