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# 631109.

Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

Summary

AIR COMING FROM I/P VENT WHILE IN HEATER MODES OR A DELAY OCCURS WHEN CHANGING TO A NEW MODE SETTING (DIAGNOSE/MODIFY/REPLACE). *TW

Click a tab for more information.