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Additional Master Key Registration (Except PRIUS): Sequoia

NOTE: Using the procedure below, it is possible to register up to 4 master key codes and up to 2 sub-key codes including already registered master key and sub-key.
NOTE: Perform the following operation when registering an additional master key or sub-key.
  1. Ensure all doors are closed and there is no key in ignition lock cylinder.
  2. Insert registered master key in ignition lock cylinder. Turn ignition switch from LOCK position to ON position 5 times within 15 seconds.
  3. With completion of ignition operation, open and close driver side door 6 times within 20 seconds.
  4. With completion of closing driver door for final time, remove registered master key from ignition lock cylinder within 10 seconds.
  5. When registered master key is removed from ignition lock cylinder, insert key to be registered in ignition lock cylinder within in 10 seconds.
  6. Turn ignition switch to ON position for 60 seconds or more. After 60 second period, remove master key. If registering additional master keys, repeat process starting with step  5 within 10 seconds. If not registering additional master keys, open and close driver door within 10 seconds or more after master key is removed.