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:
Automatic Headlamp System
When it is dark enough outside and the exterior lamps control is in the automatic
position, the headlamps come on automatically. See Exterior Lamp Controls .
The vehicle has a light sensor locate ...
Washer Fluid Messages
WASHER FLUID LOW ADD FLUID
This message may display when the washer fluid level is low. For information
on filling the washer fluid, see Washer Fluid . ...
High-Beam On Light
The high-beam on light comes on when the high-beam headlamps are in use.
See Headlamp High/Low-Beam Changer for more information. ...