Cutting Keys

Fig 1: Determining Mechanical Key Code

Courtesy of GENERAL MOTORS CORP.

After the mechanical key code has been determined from the code list, perform the following steps:

1. Cut a blank key to the proper level (1) of each of the tumbler positions (2).
2. Remove any rough edges from the key using a wire brush or wire wheel.
3. Inspect the key operation in the lock cylinder.