| Year | Cutting Style | Ignitions Key | Ignition Keys notes | Door & Trunk keys | Model Notes |
| 1972 | Double Sided | X159 / TR37 | Chipless | || | || |
| 1973 | Double Sided | X159 / TR37 | Chipless | || | || |
| 1974 | Double Sided | X159 / TR37 | Chipless | || | || |
| 1975 | Double Sided | X159 / TR37 | Chipless | || | || |
| 1976 | Double Sided | X159 / TR37 | Chipless | || | || |
| 1977 | Double Sided | X159 / TR37 | Chipless | || | || |
| 1978 | Double Sided | X159 / TR37 | Chipless | || | || |
| 1979 | Double Sided | X159 / TR37 | Chipless | || | || |
| 1980 | Double Sided | X159 / TR37 | Chipless | || | || |
| 1981 | Double Sided | X159 / TR37 | Chipless | || | || |
| 1982 | Double Sided | X159 / TR37 | Chipless | || | || |