One problem related to exterior lighting has been reported for the 2005 Cadillac CTS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Cadillac CTS based on all problems reported for the 2005 CTS.
Electrial problems also engine problems and front light gwent out 3 times burns oil.
| Brake Light problems | |
| Fog Lights problems | |
| Exterior Lighting problems |