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 on 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