GM Service Manual Online
For 1990-2009 cars only

Cause

Action

The multifunction turn signal/hazard switch is loose.

Tighten the multifunction turn signal/hazard switch to the correct torque. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .

Other components interfere with the operation.

Reposition the components.

Foreign material is present.

Remove the foreign material.

The multifunction turn signal/hazard switch is broken or damaged.

Replace the multifunction turn signal/hazard switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .