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:
Speed Variable Assist Steering
Some vehicles have a steering system that varies the amount of effort required to steer the vehicle in relation to the speed of the vehicle.
The amount of steering effort required is less at slower s ...
Ride Control System Messages
SERVICE TRACTION CONTROL
This message displays when there is a problem with the Traction Control System
(TCS). When this message is displayed, the system will not limit wheel spin. Adjust
your dr ...
Outside Heated Mirrors
For vehicles with heated mirrors:
(Rear Window Defogger): Press
to heat the
mirrors.
See “Rear Window Defogger” under Climate Control
System or Dual Automatic Climate Control
System for ...