GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 LeSabre 🢒 Restraints 🢒 SIR 🢒 Turn Signal Multifunction Switch Replacement

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 419645 Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the steering wheel. Refer to Steering Wheel Replacement .
  3. Remove the tilt lever. Refer to Tilt Lever Replacement .
  4. Remove the retaining screws (2) from the lower steering column trim cover.

    5. Object Number: 375357 Size: SH
  5. Remove the lower steering column trim cover.
    6. 5.1. Tilt the shroud down and slide back to disengage the locking tabs.
    5.2. Remove the shroud protector.

    Object Number: 419647 Size: SH
  6. Remove the retaining screw (3) from the upper steering column trim cover.
  7. Remove the upper steering column trim cover.
  8. Remove the instrument panel.

    9. Object Number: 375210 Size: SH
  9. Remove the multifunction switch retaining screws.
  10. Disconnect the multifunction switch electrical connections.
  11. Remove the multifunction switch.

Installation Procedure

    Object Number: 375210 Size: SH
  1. Install the multifunction switch.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the multifunction switch retaining screws.

    3. Tighten

    • Tighten the side screw to 7 N·m (62 lb in).
    • Tighten the top screw to 3 N·m (30 lb in).
  3. Route the electrical harness and connect electrical connections.
  4. Install the instrument panel.

    5. Object Number: 419647 Size: SH
  5. Install the upper steering column trim cover.
  6. Install the retaining screw (3) to the upper steering column trim cover.

    7. Tighten
    Tighten the screw to 1.5 N·m (13 lb in).


    Object Number: 375357 Size: SH
  7. Install the lower steering column trim cover.
    8. • Ensure that the slots on the lower trim cover engage with the tabs on the upper trim cover.
    • Tilt the lower trim cover up and snap the trim covers together.

    Object Number: 419645 Size: SH
  8. Install the retaining screws (2) to the lower steering column trim cover.

    9. Tighten
    Tighten the screws to 3.5 N·m (31 lb in).

  9. Install the steering wheel. Refer to Steering Wheel Replacement .
  10. Install the tilt lever. Refer to Tilt Lever Replacement .
  11. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.