Roger Blose
Well-Known Member
- Joined
- Jul 24, 2018
- Threads
- 17
- Messages
- 237
- Reaction score
- 224
- Location
- Fairfield, CT
- First Name
- Roger
- Vehicle(s)
- 2018 Mustang GT, 1988 Mustang GT, 2009 Lincoln MKZ
- Thread starter
- #1
I have a 2018 non PP GT with the active grill shutters. I cannot figure out when these close up. I have looked at them in real cold weather figuring they may help with warm up but these are always open. At highway speed they must close up for aero gain but I cannot feel any difference in the car at speed. The owner's manual says nothing about their operation so I am stumped.
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