Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.
See also:
Inst (Instantaneous) Economy
Displays the current fuel economy
in either liters per 100 kilometers
(L/100 km) or miles per gallon
(mpg). This number changes
frequently as driving conditions
change. It cannot be reset. ...
Traction – AA, A, B, C
The traction grades, from
highest to lowest, are AA, A,
B, and C. Those grades
represent the tire's ability to
stop on wet pavement as
measured under controlled
conditions on specified
g ...
Starting the Vehicle Messages
PRESS BRAKE TO START VEHICLE
This message is displayed when attempting to start the vehicle without first
pressing the brake pedal.
SERVICE KEYLESS START SYSTEM
This message is displayed if ...