Acura Repair Questions? Ask a Mechanic for Answers ASAP
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has this only happened one time?
it is possible there is an internal problem with the unit. The only issue is whether the dealer can duplicate the problem while it's in the shop. Unfortunately if they can't, they won't be able to diagnose and repair it.
Since you might be still under warranty (you didn't provide mileage). I would take it to them anyway and tell them your concern. Make sure they document your concern and if they find nothing that at least a paper trail has been started and if the issue were to get worse down the road there is record of you complaining about it.
I would only be concerned if other systems in the car were also failing. Sounds like there may be a problem internally with the unit. Hopefully they can reproduce the issue and get it repaired.