The problem stems from the fact that when i opened the key the first
time the batteries flew out , so i was not able to see how they should
I compared it to a few friends who had mercs and discovered that
although i had put the batteries with the correct polarities one of the
contacts had become bent when i opened the case.
When i put in the batteries the contact was not providing power to the
I simply straightened out the contact , slipped th abtteries back in
betweeen them and hey presto worked no problem