If the code is not written in the owners manual or you didn't buy it new, then a locksmith is about your only hope, he can "pick out" the code and cut you a key, but then you have the anit-theift system to contend with next, and reprogramming a new key without the old one can have you headed back to the dealer to have it done.
do you know how to program a new remote for optra?
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