Mitsubishi Diamante owners have reported 1 exterior lighting related problems since 1996. Table 1 shows the 1 most common exterior lighting problems. The number one most common problem is related to the vehicle's headlights (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Headlights problems |
Car doors are locking by themselves, the alarm for keys being left in the ignition no longer sounds, the automatic unlock when keys left in the ignition no longer works, and the headlights do not turn off when the car is turned off and door opened. Have been stranded several times due to keys locked in the car, and a dead battery due to headlights being left on.