| Year | Cutting Style | Ignitions Key | Ignition Keys notes | Door & Trunk keys | Model Notes |
| 1987 | Double Sided | X160 / HY2 | Chipless | || | || |
| 1988 | Double Sided | X160 / HY2 | Chipless | || | || |
| 1989 | Double Sided | X160 / HY2 | Chipless | || | || |
| 1990 | Double Sided | X187 / HY5 | Chipless | || | || |
| 1991 | Double Sided | X187 / HY5 | Chipless | || | || |