I have a 2003 JTD and today a warning light appeared, it was on the left hand side of dash, yellow and a padlock symbol. I turned engine off then on & it never returned.
Would like to know what it was though?

immobiliser light, normally appears when the key code has not been read correctly by the reciever (aerial)

T14086 said:

immobiliser light, normally appears when the key code has not been read correctly by the reciever (aerial)

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Cheers just had a Toad alarm system fitted must get it checked.
Thanks