GM Service Manual Online
For 1990-2009 cars only

The cruise control is a speed control system that maintains a desired vehicle speed under normal driving conditions. The electronic cruise control system has the capability perform the following functions:

    â€¢ Cruise
    â€¢ Coast
    â€¢ Resume speed
    â€¢ Accelerate
    â€¢ Tap-up
    â€¢ Tap-down

Steep grades up or down may cause variations in the selected speeds.

The cruise control does not work at speeds below 40 km/h (25 mph).

The cruise control will shut off under the following conditions:

    â€¢ When you apply the brake pedal.
    â€¢ When you turn the ignition switch to OFF.