Cadillac STS owners have reported 21 exterior lighting related problems since 1996. Table 1 shows the 4 most common exterior lighting problems. The number one most common problem is related to the vehicle's headlights (11 problems). The second most common problem is related to the vehicle's exterior lighting (8 problems). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Headlights problems | |
| Exterior Lighting problems | |
| Brake Light problems | |
| Headlight Concealment Device problems |
Left headlight fills with water during a rainstorm or car wash. Headlamp is foggy with moisture reducing the light output and will cause a premature headlamp failure. Read details...
Air bag on the steering wheel has oozing glue that oozed/leaked out of the airbag and has hardened on outer cover! lights and radio don’t disconnect or turn off when car is turned off and drain battery. Read details...
After a police stop for high-mount brake light inoperative, I learned that there is a 100% failure rate for this 3rd brake light in Cadillac vehicles. Mine is a 1998 Sts, now with 80k miles. It is not simply a bulb replacement because it is a sealed led unit and it is very expensive. Read details...
The headlight lenses were dim, which caused less light. Read details...