The key code will take one of the following formats:
- Six letters from the group A, B, C, D, E or F.
- From the series 12897 to A9999.
- From the series B1085 to B9547.
For example: B4975 as shown below.
The key code is recorded on a grey plastic tag like this:
This tag that would have been attached to the keys when the car was new. It is also sometimes recorded in the vehicle service book.