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# 4520.

Affected Component: EXTERIOR LIGHTING:HEADLIGHTS

Summary

AUTOMATIC HEADLIGHTS INOPERATIVE UNTIL SHIFTER IS PLACED INTO GEAR. *NJ

Click a tab for more information.