general problems of the 2005 Chevrolet Colorado

The contact owns a 2005 Chevrolet Colorado. The contact attempted to lock the vehicle using the keyless remote when the anti-theft alarm began sounding abnormally. He was able to enter the vehicle and when starting, the alarm ceased. He then attempted to manually lock the front driver door but to no avail. He stated that the failure would recur whenever he would attempt to operate the front drivers side door. The vehicle was not taken for examination or repaired. The failure and current mileage was 45,000.