Key match spare key.

[danfloun]

Hi,

My car lost it's ket matching, and I've programmed the main key again, but how do I program the spare with no buttons?
The spare starts the car but the immobiliser light flashing continually, or is this supposed to be the case with the spare?

Thanks

 

[danfloun]

Nevermind, I found the answer here for Immobiliser 3.
I had already tried various methods, but this one works.

Immobilizer III Key Matching (Cluster) - Ross-Tech Wiki