One problem related to headlight switch has been reported for the 2005 Chevrolet Cobalt. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Chevrolet Cobalt based on all problems reported for the 2005 Cobalt.
The turn signal switch, that has a plastic finish, broke and cracked at the point that meets the steering column. My right side headlight went out, while I was driving in the dark going to work which is 10 miles on city streets . The next day I brought the car to the Chevrolet dealer who I frequently bring for repairs. The service advisor told me the that this is florida and heat does terrible things. My car lights may have all gone off and create a serious safety problem. My car is now at the Chevrolet dealer for repair it will take about 4 days they are ordering a new part. Plus labor , estimated cost $400. 00 mileage on my car is 88,694.