GM Service Manual Online
For 1990-2009 cars only

This feature lets the high-beam headlamps be used to signal a driver in front of you that you want to pass.

Pull the turn signal/multifunction lever toward you until the high-beam headlamps come on, then release the lever to turn them off.

This feature lets you use your high-beam headlamps momentarily to signal a driver in front of you that you want to pass.

To use it, pull the turn signal/multifunction lever toward you until the high-beam headlamps come on, then release the lever to turn them off.