My horn started blarring for no reason when I stopped for gas. Couldn't get it to stop even after pressing button on key pad. Couldn't start car while horn blarring. Did this three times in a row but finally stopped on it's own. Then I could start my car.
horn started going off after stopping for gas on 2008 Hyundai Tucson
by papple in Middletown, OH on May 16, 2011
ANSWER by Superbob , May 16, 2011
Your theft deterrent system is giving you trouble. Get it checked by a Hyundai or Mitsubishi technician. If you want to find a specialist, here's our directory link for you: https://repairpal.com/directory?address=45044&car_brand_names=Hyundai