2005 Buick Terraza rear air

2005 BUICK TERRAZA
175,000 MILES • 3.5L • V6 • FWD • AUTOMATIC
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CUBMASTER12
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  • 1 POST
When I turn on the rear fan it only blows out the bottom vent. Can't get it to blow out of the top vents and it won't let you change anything on the control buttons
Dec 21, 2014 at 6:51 PM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
pull fuse 8 for 60 seconds with key on then reinstall it may reset the mode actuator in rear. if not have it scanned for codes a pro will need to do it.
Dec 22, 2014 at 6:51 AM