GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 DTS 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Horn Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the lower air deflector. Refer to Front Air Deflector Replacement.

    3. Object Number: 545772 Size: SH
  3. Disconnect the horn connectors (1) from the horns.

    4. Object Number: 545724 Size: SH
  4. Remove the fastener securing the horns to the body.
  5. Remove the horns from the body.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 545724 Size: SH
  1. Install the horns to the body.
  2. Install the fastener in order to secure the horns to the body.

    3. Tighten
    Tighten the bolts to 15 N·m (11 lb ft).


    Object Number: 545772 Size: SH
  3. Connect the horn connectors (1) to the horns.
  4. Install the front air deflector. Refer to Front Air Deflector Replacement.
  5. Lower the vehicle.