One problem related to back up alarm has been reported for the 2006 Ford Five Hundred. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Ford Five Hundred based on all problems reported for the 2006 Five Hundred.
The reverse sensing system worked flawlessly for the first 5000 miles. Now it goes off everytime I put the car in reverse when there is nothing near the rear of the car. Now I disregard the warning beeps which is dangerous.