| Year | Cutting Style | Ignitions Key | Ignition Keys notes | Door & Trunk keys | Model Notes |
| 1987 | Single Sided | VATS System | VATS | Double sided: X162 / B59 | || |
| 1988 | Single Sided | VATS System | VATS | Double sided: X162 / B59 | || |
| 1989 | Single Sided | VATS System | VATS | Double sided: X162 / B59 | || |
| 1990 | Single Sided | VATS System | VATS | Double sided: X162 / B59 | || |
| 1991 | Single Sided | VATS System | VATS | Double sided: X162 / B59 | || |
| 1992 | Single Sided | VATS System | VATS | Double sided: X162 / B59 | || |
| 1993 | Single Sided | VATS System | VATS | Double sided: X162 / B59 | || |