2009 Toyota Tundra Owners Manual - Page 140

1-6. Theft deterrent system For vehicles sold in Canada This device complied with RSS-210 of Industry Canada. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. 1 Before driving 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. 109