GM Service Manual Online
For 1990-2009 cars only

Important: Adjust the cruise control release switch and the stoplamp switch together. Incorrect adjustment of either of these switches may cause the following conditions:

   • Premature brake lining wear
   • An improperly functioning cruise control system

  1. Remove the left instrument panel insulator. Refer to Instrument Panel Insulator Panel Replacement - Left Side in Instrument Panel, Gauges and Console.
  2. Fully press the brake pedal.

  3. Object Number: 179284  Size: SH
  4. Push the switches into the retainers until the switches are fully seated.

  5. Object Number: 179286  Size: SH
  6. Pull the brake pedal rearward against the pedal stop until the audible clicks may no longer be heard.
  7. Refer to the following brake pedal travel distances in order to validate the proper cruise control release switch and stoplamp switch adjustment:
  8. • Actuate the cruise control release switch and the stoplamp switch contacts from 3.5 to 12.5 mm (1/8 to 1/2 in) of brake pedal travel, measured at the centerline of the brake pedal pad.
    • Nominal actuation of the stoplamp switch contacts measures 4.5 mm (3/16 inch) after cruise control release switch actuation.
  9. Install the left instrument panel insulator. Refer to Instrument Panel Insulator Panel Replacement - Left Side in Instrument Panel, Gauges and Console.