Toyota SIENNA 2022 Manual page 135

134
3-2. Opening, closing and locking the doors
■ Impact detection door lock
release system
In the event that the vehicle is sub-
ject to a strong impact, all the doors
are unlocked. Depending on the
force of the impact or the type of
accident, however, the system may
not operate.
■ Operation signals (vehicles
with entry function)
A buzzer sounds and the emer-
gency 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 fea-
ture automatically locks the vehicle
again. (Vehicles with entry function:
However, depending on the location
of the electronic key, the key may
be detected as being in the vehicle.
In this case, vehicle may be
unlocked.)
■ When the door cannot be
locked by the lock sensor on
the upper part of the door han-
dle (vehicles with entry func-
tion)
If the door will not lock even when
the topside sensor area is touched,
try touching both the topside and
underside sensor areas at the same
time. When gloves are being worn,
remove the gloves.
■ Door lock buzzer
If an attempt to lock the doors using
the entry function or wireless remote
control is made when a door is not
fully closed, a buzzer sounds contin-
uously for 5 seconds. Fully close the
door to stop the buzzer, and lock the
vehicle once more.
■ Setting the alarm (if equipped)
Locking the doors will set the alarm
system. (P.89)
■ Conditions affecting the opera-
tion of the smart key system or
wireless remote control
P.166
■ If the smart key system or the
wireless remote control does
not operate properly
● Use the mechanical key to lock
and unlock the doors. (P.502)
● Replace the key battery with a
new one if it is depleted. (P.444)
■ If the 12-volt battery is dis-
charged
The doors cannot be locked and
unlocked using the smart key sys-
tem or wireless remote control. Lock
or unlock the doors using the
mechanical key. (P.133, 502)
■ Rear seat reminder function
● In order to remind you not to for-
get the luggage, etc. on the rear
seat, when the power switch is
turned to OFF after any of the fol-
lowing conditions are met, a
buzzer will sound and a message
will be displayed on the multi-
information display for approxi-
mately 6 seconds.
• The hybrid system is started
within 10 minutes after opening
and closing a sliding door.
• A sliding door has been opened
and closed after the hybrid system
is started. However, if a sliding
door is opened and then closed
within approximately 2 seconds,
the rear seat reminder function
may not operate.
● The rear seat reminder function
determines that the luggage, etc.
has been placed on the rear seat
depending on opening and closing