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
vehicle is equipped with the Tire
Pressure Monitoring System. If a
diagnostics check is needed
between e-mails, push 
, and
an Advisor can run a check.
See also:
Rear Window Wiper/Washer
The rear wiper control is located on the turn and lane-change lever.
To turn the rear wiper on, slide the lever to a wiper position.
(Off): Turns the wiper off.
(Rear Wiper Delay): Turns on the
...
Bulb Replacement
For the proper type of replacement
bulbs, see Replacement Bulbs.
For any bulb–changing procedure
not listed in this section, contact
your dealer. ...
RDS (Radio Data System)
The radio may have RDS. The RDS feature is available for use only on FM
stations that broadcast RDS information. This feature only works when the
information from the radio station is available. In ...