OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationDriver Information Center (DIC)
The DIC has different displays, which can be accessed by using the DIC buttons
on the right side of the instrument cluster. The DIC displays trip, fuel, and warning
messages if a system problem is detected.
DIC Buttons
MENU: Press to display the DIC menus.
or
: Use to scroll through th ...
Vehicle Alarm System
This vehicle has an anti-theft alarm system.
The security light, on the instrument panel near the windshield, indicates the
status of the system: Off: Alarm system is disarmed.
On Solid: Vehicle is secured during the delay to arm the system.
Fast Flash: Vehicle is unsecured.
A door, the ho ...
Loss of Control
Skidding
There are three types of skids that correspond to the vehicle's three control
systems:
Braking Skid - wheels are not rolling.
Steering or Cornering Skid - too much speed or steering in a curve causes
tires to slip and lose cornering force.
Acceleration Skid - too much thro ...