Table 1 shows one common exterior lighting related problems of the 2009 Cadillac STS.
| Problem Category | Number of Problems |
|---|---|
| Exterior Lighting problems |
When driving in rain the smallest amount of water will cause the reduced engine power to engage and it does not go off until the vehicle has sat for a long amount of time. Extremely dangerous. First the abs light comes on and then you lose power. 3rd row led taillight out. . . 400 to fix. Purchased in March of 2018 with 93k miles. Currently at 104k.