Quote:
Originally Posted by Carson357
i have seen on ML only that if the battery is disconnected and reconnected the key that is in the ignition will be permanently lost from the aam, i have also seen this happen when the car is jump started and the jumper is connected with the key in the ignition, now keep inmind this always isn't the case, but something to keep in mind. we had a local independent car dealer who had this happen on several cars when they would try to jump it.
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this happened to me once when I forgot to remove a key fob from my pocket and dove into the sea. other than that - replaced car battery once and worked on my car with battery disconnected multiple times - key fob stays in sync with aam.