One problem related to ignition has been reported for the 2000 Cadillac STS. The most recently reported issues are listed below.
Car stalls with no warning while driving, even at highway speeds. The dealers know that this occurs often on this model, but there is no recall. This is extremely dangerous while driving on the highway in traffic and could have easily caused fatal accidents from stopping in the middle of the highway. Car is practically new.
| Battery problems | |
| Ignition problems |