2022 Toyota Sienna Owners Manual - Theft deterrent system

Theft deterrent system

Engine immobilizer system

The vehicle’s keys have built-in transponder chips that prevent the engine from starting if a key has not been previously registered in the vehicle’s on-board computer.

Never leave the keys inside the vehicle when you leave the vehicle.

This system is designed to help prevent vehicle theft but does not guarantee absolute security against all vehicle thefts.

• Vehicles without a smart key system

The indicator light flashes after the key has been removed from the engine switch to indicate that the system is operating.

The indicator light stops flashing after the registered key has been inserted into the engine switch to indicate that the system has been canceled.

• Vehicles with a smart key system

The indicator light flashes after the engine switch has been turned off to indicate that the system is operating.

The indicator light stops flashing after the engine switch has been turned to ACCESSORY or IGNITION ON mode to indicate that the system has been canceled.

System maintenance

The vehicle has a maintenance-free type engine immobilizer system.

Conditions that may cause the system to malfunction

• If the grip portion of the key is in contact with a metallic object
• If the key is in close proximity to or touching a key to the security system (key with a built-in transponder chip) of another vehicle

Certifications for the engine immobilizer system

• For vehicles sold in the U.S.A.

Vehicles without a smart key system FCC ID: WRKRI-34BTY Vehicles with a smart key system FCC ID: NI4TMIMB-1 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

• For vehicles sold in Canada

This device complies with Industry Canada licence-exempt RSS standard(s).

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.

Alarm

The alarm

The alarm uses light and sound to give an alert when an intrusion is detected.

The alarm is triggered in the following situations when the alarm is set:

• A locked door is unlocked or opened in any way other than using the entry function (vehicles with a smart key system) or wireless remote control. (The doors will lock again automatically.)
• The hood is opened.

Setting the alarm system

Close the doors and hood, and lock all the doors using the entry function or wireless remote control.

The system will be set automatically after 30 seconds.

The indicator light changes from being on to flashing when the system is set.

Deactivating or stopping the alarm

Do one of the following to deactivate or stop the alarm:

• Unlock the doors using the entry function (vehicles with a smart key system) or wireless remote control.
• Vehicles without a smart key system: Turn the engine switch to the “ACC” or “ON” position, or start the engine.

  Vehicles with a smart key system: Turn the engine switch to ACCESSORY or IGNITION ON mode, or start the engine.

  (The alarm will be deactivated or stopped after a few seconds.)

System maintenance

The vehicle has a maintenance-free type alarm system.

Items to check before locking the vehicle

To prevent unexpected triggering of the alarm and vehicle theft, make sure of the following:

• Nobody is in the vehicle.
• The windows and moon roof (if equipped) are closed before the alarm is set.
• No valuables or other personal items are left in the vehicle.

Triggering of the alarm

The alarm may be triggered in the following situations.

(Stopping the alarm deactivates the alarm system.)

• The doors are unlocked using the key.

• A person inside the vehicle opens a door or hood.

• The battery is recharged or replaced when the vehicle is locked. (

Alarm-operated door lock

In the following cases, depending on the situations, the door may automatically lock to prevent improper entry into the vehicle:

• When a person left in the vehicle triggers the alarm by unlocking a door or the back door.
• When a person left in the vehicle unlocks a door or the back door while the alarm is operating.
• When recharging or replacing the battery.