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:
Windshield Washer
Pull the windshield wiper lever toward you to spray windshield washer fluid
and activate the wipers. The wipers will continue until the lever is released
or the maximum wash time is reached.
When ...
Auxiliary Devices (Radio with CD)
The optional AUX input allows portable devices to connect to the vehicle
using the 3.5mm (1/8 in) input jack, the USB port, or Bluetooth® wireless
technology, if equipped.
Portable devices are co ...
Before Driving
The RSE is for rear seat passengers only. The driver cannot safely view the
video screen while driving.
In severe or extreme weather conditions the RSE system may not work until
the temperature i ...






