Why do I hear an air horn like sound when I back up?

Asked by Apr 13, 2017 at 05:26 PM about the 2015 Hyundai Sonata SE

Question type: Maintenance & Repair

2 Answers

74,565

Are the brakes dragging? Since your car is probably still under warranty I would take it to your dealer.

26,565

may be the.backup/reverse sensor..check the little eyes built into the rear bumper... If they are clean then the system needs the sensitivity set lower and this is done with scan tool ..it might not be the fix...but its a start..

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