Ern

The oil level indicator light came on out of the blue the other day. However, I have checked and the oil level is perfect. Has anyone else had this problem? Where should I start with troubleshooting? I called the dealership and they want $600 just to take the engine apart.

Mine only worked for 5 miles! I had it changed at the dealer and they said that the o/d light would come on but it would not stop the car from working properly. Wrong answer. It is worse now and they said that it could only be the computer since they changed the Speed Control Sensor. Any suggestions?