Keys The following keys are provided with the vehicle. Vehicles without wireless remote control
Vehicles with wireless remote control
Wireless remote control (if equipped)
■If you lose your keys New genuine key can be made by your Toyota dealer using the other key and the key number stamped on your key number plate. Keep the plate in a safe place such as your wallet, not in the vehicle. ■Panic mode (vehicles with wireless remote control) When is pressed for longer than about 1 second, an alarm will sound intermittently and the vehicle lights will flash to deter any person from trying to break into or damage your vehicle. To stop the alarm, press any button on the wireless remote control. ■When riding in an aircraft (vehicles with wireless remote control) When bringing a wireless key onto an aircraft, make sure you do not press any buttons on the wireless key while inside the aircraft cabin. If you are carrying a wireless key in your bag, etc., ensure that the buttons are not likely to be pressed accidentally. Pressing a button may cause the wireless key to emit radio waves that could interfere with the operation of the aircraft. ■Conditions affecting operation (vehicles with wireless remote control) The wireless remote control function may not operate normally in the following situations.
■Key battery depletion (vehicles with wireless remote control) If the wireless remote control function does not operate, the battery may be depleted. Replace the battery when necessary. ■Customization that can be configured at Toyota dealer Settings (e.g. unlocking function using a key) can be changed.
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Toyota Tundra Service Manual > Theft Deterrent System: Security Horn Circuit
DESCRIPTION When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU (multiplex network body ECU) transmits a signal to cause the security horn to sound at intervals of 0.4 seconds. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuse ...