GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Regal (China) (CNG) 🢒 Steering 🢒 Steering Wheel and Column - Tilt 🢒 Turn Signal Does Not Indicate Lane Change

Problem

Action

The multifunction turn signal switch is worn or damaged

Replace the multifunction turn signal switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle .

The multifunction turn signal switch wiring is cut or shorted to ground.

Inspect the multifunction turn signal switch wiring.Refer to Multifunction Turn Signal Lever Replacement - On Vehicle .

Repair the multifunction turn signal switch wiring.Refer to Multifunction Turn Signal Lever Replacement - On Vehicle .

One of the following components is jammed:

    • The base
    • The wires
  1. Inspect the base and the wires.Refer to Multifunction Turn Signal Lever Replacement - On Vehicle .
  2. Service the components as needed.Refer to Multifunction Turn Signal Lever Replacement - On Vehicle .