2011 Toyota Tundra Double Cab Owners Manual - Page 657

5-2. Steps to take in an emergency If you lose your keys New genuine Toyota keys can be made by your Toyota dealer using the key number stamped on your key number plate. Vehicles with engine immobilizer system, the dealer will also need the master key. (→P. 42) n If you lose all your master keys. (vehicles with engine immobilizer system) You cannot make new keys; the whole engine immobilizer system must be replaced. 5 When trouble arises 633