Step 3 - If All Keys Are Lost, Observe The Following
WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
- Purchase a new transponder key ECU and a new key.
- Replace the transponder key ECU with new one.
- Insert a new key into the key cylinder, turn the ignition switch ON and leave it as it is for 30 min.