One problem related to automatic transmission park/neutral start switch has been reported for the 1999 Cadillac Deville. The most recently reported issues are listed below.
The vehicle has a tendency to roll backwards due to design of the interlock system failure. Yh.
| Automatic Transmission problems | |
| Automatic Transmission Park/neutral Start Switch problems | |
| Transmission Gear Slipping problems | |
| Transmission Failure problems | |
| Automatic Transmission Control Module problems |