| Year | Cutting Style | Ignitions Key | Ignition Keys notes | Door & Trunk keys | Model Notes |
| 1971 | Double Sided | X9 | Chipless | || | || |
| 1972 | Double Sided | X9 | Chipless | || | || |
| 1973 | Double Sided | X9 | Chipless | || | || |
| 1974 | Double Sided | X9 | Chipless | || | || |
| 1975 | Double Sided | X9 | Chipless | || | || |
| 1976 | Double Sided | X9 | Chipless | || | || |
| 1977 | Double Sided | X9 | Chipless | || | || |
| 1978 | Double Sided | X9 | Chipless | || | || |
| 1979 | Double Sided | X9 | Chipless | || | || |
| 1998 | High Security | HU66-P | Chipless | || | || |
| 1999 | High Security | HU66-P | Chipless | || | || |
| 2000 | High Security | HU66T6 | Transponder Key | || | || |
| 2001 | High Security | HU66T6 | Transponder Key | || | || |
| 2002 | High Security | HU66T6 | Transponder Key | || | || |
| 2003 | High Security | HU66T6 | Transponder Key | || | || |
| 2004 | High Security | HU66T6 | Transponder Key | || | || |
| 2005 | High Security | HU66T6 | Transponder Key | || | || |
| 2006 | High Security | Dealer key is required | Transponder Key | || | || |
| 2007 | High Security | Dealer key is required | Transponder Key | || | || |
| 2008 | High Security | Dealer key is required | Transponder Key | || | || |
| 2009 | High Security | Dealer key is required | Transponder Key | || | || |
| 2010 | High Security | Dealer key is required | Transponder Key | || | || |