Entry function (vehicles with a smart key system)
Carry the electronic key to enable this function.
The doors cannot be unlocked for 3 seconds after the doors are locked.
*: The door unlock settings can be changed.
Check that the door is securely locked.
Wireless remote control
Key
Turning the key unlocks the driver’s side doors. Turning the key again within 3 seconds unlocks the other doors.
The doors can also be locked and unlocked with the mechanical key.
Operation signals
A buzzer sounds and the emergency flashers flash to indicate that the doors have been locked/unlocked. (Locked: Once; Unlocked: Twice)
Security feature
If a door is not opened within approximately 60 seconds after the vehicle is unlocked, the security feature automatically locks the vehicle again.
When the door cannot be locked by the lock sensor on the upper part of the front door handle
Touch both lock sensors on the upper and lower part of the front door handle simultaneously.
Door lock buzzer
If an attempt to lock the doors (except for power sliding doors or power back door) is made when a door is not fully closed, a buzzer sounds continuously.
Fully close the door to stop the buzzer, and lock the vehicle once more.
Alarm (if equipped)
Using the wireless remote control to lock the doors will set the alarm system.
If the smart key system or the wireless remote control does not operate properly
Vehicles with a smart key system: Use the mechanical key to lock and unlock the doors. Replace the key battery with a new one if it is depleted
Air Intake Control Circuit
DESCRIPTION
The air cleaner is equipped with two inlets, one of which is opened or closed
by the Air Intake Control
Valve (AICV). This system reduces intake noise and increases engine power at
low-to-high engine speed
range.
When the engine is operating in the low-to-mid speed range, this ...
AUX Port/USB Port
Connect an iPod, USB memory device or portable audio player
to the AUX port/USB port as indicated below. Select “iPod”,
“USB” or “AUX” on the audio source selection screen and the
device can be operated via audio system.
Connecting using the AUX port/USB port
iPod
Open the cove ...
For vehicles equipped with srs airbag and seat belt pretensioner
The SIENNA is equipped with a Supplemental Restraint System (SRS).
CAUTION: Failure to carry out the service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing and lead to serious injury. Furthermore, if a mistake is made when servicing SRS, it is poss ...