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:
Remote Keyless Entry (RKE) System Operation
The Remote Keyless Entry (RKE) transmitter functions work up to 60m(195 ft) away
from the vehicle.
There are other conditions which can affect the performance of the transmitter.
See Remote Keyle ...
Extending Engine Run Time
To extend the engine run time by
10 minutes, repeat Steps 1 and 2
while the engine is still running.
The engine run time can only be
extended if it is the first remote start
since the vehicle ...
When to Inspect the Engine
Air Cleaner/Filter
Inspect the air cleaner/filter at the
scheduled maintenance intervals
and replace it at the first oil change
after each 80 000 km (50,000 mile)
interval. See Maintenance Schedule, for more inf ...