TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Buick for this TSB. Call your local Buick dealer's service department & ask for a copy of TSB# 9509.

Affected Component: EXTERIOR LIGHTING

Summary

HEADLAMPS WILL NOT TURN OFF ON VEHICLES EQUIPPED WITH TWILIGHT SENTINEL OPTION. *TW

Click a tab for more information.