Single Button Fob Markets

[jimmie kern]

In the UK the 97 Explorer used the Australian Bosch single button fob (picture 1) for the immobiliser alarm

http://www.explorerforum.com/forums/showpost.php?p=2381248&postcount=24

Was this used in other markets and/or years ?

Also is the dealer program code generally four digit ie 1234 ?

Thansk