Call Waiting
Call waiting must be supported on the cell phone and enabled by the wireless service carrier.
- Press 
to answer an
incoming call when another call
is active. The original call is
placed on hold.
- Press again to return to
the original call.
- To ignore the incoming call, no action is required.
- Press 
to disconnect the
current call and switch to the call
on hold.
See also:
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 the v ...
How to Inspect the Engine Air Cleaner/Filter
To inspect the air cleaner/filter, remove the engine air cleaner/filter from
the vehicle by following Steps 1 through 6. When the engine air cleaner/filter is
removed, lightly shake it to release ...
Trailer Wiring Harness
Heavy-Duty Trailer Wiring Harness Package
The vehicle has a seven-pin universal heavy-duty trailer connector attached to
the rear bumper beam next to the integrated trailer hitch.
The seven-wire ...