Hj, just changed the battery on the mrs's car and theres no code written in the service book or security card.This is everything that is on the unit itself.
RNRD2050057119
RENRDW230-00
FD02 0507 0057119
8200367486T G239-SECURITY
Not sure what make and model but it's a single cd tuner standard factory fit and theres no numbers preceeded by a W.
Looks like this one
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