Average Vehicle Speed
The Average Vehicle Speed display shows the average speed of the vehicle in kilometers per hour (km/h) or miles per hour (mph).
This average is calculated based on the various vehicle speeds recorded since the last reset of this value.
The average speed can be reset by pressing the SET/CLR button while the Average Vehicle Speed display is showing.
See also:
Safety Belt Messages
BUCKLE SEATBELT
This message displays as a reminder when the safety belt is not buckled. ...
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 ...
Getting Started on Your Route
Once a destination has been entered, there are several functions that can be
performed. Press DEST to access the Route screen.
Turn List
Press to view the list of turn maneuvers for the entire ...






