2009 Toyota Sienna Owners Manual - Page 140

1-6. Theft deterrent system CAUTION Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1 NOTICE n To prevent damage to the key Do not modify, remove or disable the engine immobilizer system. If any unauthorized changes or modifications are made, the proper operation of the system cannot be guaranteed. Before driving 111