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:
Ignition Positions (Key Access)
Ignition Positions (Key Access)
The ignition switch has four different
positions.
Notice:
Using a tool to force the
key to turn in the ignition could
cause damage to the switch or
break t ...
Transmission
Driver Shift Control (DSC)
Driver Shift Control (DSC) allows you to shift an automatic transmission similar
to a manual transmission. To use the DSC feature:
1. Move the shift lever from D (Drive) ...
