GMC TSB #4520
2006 GMC Envoy XL
Affected Component: EXTERIOR LIGHTING:HEADLIGHTS
- TSB Document
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- Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 4520.
- Summary
- AUTOMATIC HEADLIGHTS INOPERATIVE UNTIL SHIFTER IS PLACED INTO GEAR. *NJ