One problem related to horn assembly has been reported for the 2004 Chevrolet Impala. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Chevrolet Impala based on all problems reported for the 2004 Impala.
The contact owns a 2004 Chevrolet Impala. While driving approximately 15 mph, all of the instrument panel gauges stopped working. Prior to the failure, the heater unit shut off without warning. In addition, after several attempts to start the vehicle, it finally started and drove roughly. The vehicle was taken to an independent mechanic and it was discovered that the failures were related to the security system in the control panel. The vehicle was repaired for the malfunctions. Recently, the driver message center and horn were not operating, and the transmission was not running properly. The vehicle has not been repaired. The failure mileage was 13,000 and current mileage was 27,000.