GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Drive the vehicle at a speed greater than 25 MPH.
  2. Move the cruise control switch to the ON position.
  3. Press and hold the SET/COAST switch for 2 seconds.

The cruise control engages and maintains the desired speed.

Cruise Control Inoperative

3

Press and hold the SET/COAST switch.

    • The vehicle decelerates when the switch is pressed.
    • When the switch is released, the vehicle maintains the speed at which the switch was released.

Cruise Control Inoperative

4

  1. Depress the brake pedal.
  2. Press and release the RESUME switch.
    • The cruise control disengages. The vehicle decelerates.
    • The cruise control re-engages. The vehicle returns to the previously set speed.

Cruise Control Inoperative

5

TAP-UP

Press the RESUME/ACCEL switch for 1 second and release.

The vehicle accelerates in 1 MPH increments for each tap of the switch.

Cruise Control Inoperative

6

TAP-DOWN

Press the SET/COAST switch for 1 second and release.

The vehicle decelerates in 1 MPH increments for each tap of the switch.

Cruise Control Inoperative

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.