How do you unlock a 1993 Geo Prizm Lsi stock anti-theft car stereo after a new alternator was put in?

Answer:

There should be a card in the booklet along with the user manual with a pin. If you cannot find that, contact your dealer and they will help you. (toyota dealerships will also help)

First answer by ID1071691010. Last edit by ID1071691010. Question popularity: 11 [recommend question].