For 1990-2009 cars

### Disassembly Procedure

1. Remove tumblers from lock cylinder by pulling with needle nose pliers.
2. If necessary, remove retainer tumbler using this method.

### Assembly Procedure

1. Select the correct lock tumblers for the desired code by the number stamped on the tumbler.

Important: When key is inserted into properly coded lock cylinder, all tumblers except the retainer tumbler will be flush with the lock cylinder.

2. Install lock tumblers and retainer tumbler, if removed, by applying downward pressure until they lock into position.