GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1251928  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the HVAC control assembly. Refer to Heater and Air Conditioning Control Replacement in HVAC Systems - Manual.
  3. Turn the bulb holder to the left and pullout the bulb.

Installation Procedure


    Object Number: 1251928  Size: SH
  1. Install the bulb into the holder and turn the bulb to the right.
  2. Install the control assembly. Refer to Heater and Air Conditioning Control Replacement in HVAC Systems - Manual.
  3. Connect the negative battery cable.
  4. Check knob lighting for proper operation.