GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1817422  Size: SH
  1. Remove the HVAC control assembly. Refer to Heater and Air Conditioning Control Replacement.
  2. Depress the retaining tabs.
  3. Remove the hazard warning switch from the HVAC control assembly.

Installation Procedure


    Object Number: 1817422  Size: SH
  1. Install the hazard warning switch to the HVAC control assembly.
  2. Install the HVAC control assembly. Refer to Heater and Air Conditioning Control Replacement.