| Year | Cutting Style | Ignitions Key | Ignition Keys notes | Door & Trunk keys | Model Notes |
| 1978 | Single Sided | P1770U / Y152 | Chipless | S1770U / Y149 | || |
| 1979 | Single Sided | P1770U / Y152 | Chipless | S1770U / Y149 | || |
| 1980 | Single Sided | P1770U / Y152 | Chipless | S1770U / Y149 | || |
| 1981 | Single Sided | P1770U / Y152 | Chipless | S1770U / Y149 | || |
| 1982 | Single Sided | P1770U / Y152 | Chipless | S1770U / Y149 | || |
| 1983 | Single Sided | P1770U / Y152 | Chipless | S1770U / Y149 | || |
| 1984 | Single Sided | P1770U / Y152 | Chipless | S1770U / Y149 | || |
| 1985 | Single Sided | P1770U / Y152 | Chipless | S1770U / Y149 | || |
| 1986 | Single Sided | P1786 / Y153 | Chipless | S1770U / Y149 | || |
| 1987 | Single Sided | P1786 / Y153 | Chipless | S1770U / Y149 | || |
| 1988 | Single Sided | P1786 / Y153 | Chipless | S1770U / Y149 | || |
| 1989 | Single Sided | P1786 / Y153 | Chipless | S1770U / Y149 | || |
| 1990 | Double Sided | P1789 / Y154 | Chipless | || | || |