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# 431108.

Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

Summary

HVAC SYSTEM MAY INTERMITTENTLY TURN ON IN DEFOG OR DEFROST MODE BY DEFAULT. *TW

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