Replacing Battery 557
2 . Remove the transmitter case from the key head .
3 . Open the transmitter case by releasing the hooks .
1 ) Negative ( − ) side facing up
4 . Replace the old battery with a new battery ( type CR1620 or equivalent ) making sure to install the new battery with the negative ( − ) side facing up .
5 . Put together the transmitter case by fitting the hooks on the case .
6 . Reinstall the transmitter case in the key head .
7 . Refit the removed half of the key head .
After the battery is replaced , the transmitter must be synchronized with the remote keyless entry system ’ s control unit . Press either the “ ” or “ ” button six times to synchronize the unit .
Maintenance and Service
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