If communication between the electronic key and vehicle is interrupted or the electronic key cannot be used because the battery is depleted, the smart key system and wireless remote control cannot be used. In such cases, the doors can be opened and the engine can be started by following the procedure below.
â– When the electronic key does not work properly
NOTICE
â– In case of a smart key system malfunction, or other key related problems
Take your vehicle with all the electronic keys provided with your vehicle to your Toyota dealer.
Locking and unlocking the doors
Use the mechanical key in order to perform the following operations.

Turning the key rearward unlocks the driver's door. Turning the key once again within 5 seconds unlocks the other doors.
â– Key linked functions

*1:If equipped
*2:These settings must be customized
at your Toyota dealer.
WARNING
â– When using the mechanical key and operating the power windows or the moon roof (if equipped) or panoramic moon roof (if equipped)
Operate the power window or the moon roof or panoramic moon roof after checking to make sure that there is no possibility of any passenger having any of their body parts caught in the window or the moon roof or panoramic moon roof. Also, do not allow children to operate the mechanical key. It is possible for children and other passengers to get caught in the power window or the moon roof or panoramic moon roof.
Starting the engine
1. Ensure that the shift lever is in P and depress the brake pedal.
2. Touch the Toyota emblem side of the electronic key to the engine switch.
When the electronic key is detected, a buzzer sounds and the engine switch will turn to ON.
When the smart key system is deactivated in customization setting, the engine switch will turn to ACC.

3. Firmly depress the brake
pedal and check that
is
displayed on the multi-information
display.
4. Press the engine switch shortly and firmly.
In the event that the engine still cannot be started, contact your Toyota dealer.
â– Stopping the engine
Shift the shift lever to P, set the parking brake and press the engine switch as you normally do when stopping the engine.
â– Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic key battery be replaced immediately when the battery is depleted.
â– Alarm (if equipped) (for Canada)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set, the alarm may be triggered.
â– Changing engine switch modes
Release the brake pedal and press the engine switch in step 3 above.
The engine does not start and modes will be changed each time the switch is pressed.
If the engine will not start
If the vehicle battery is dischargedDoor control transmitter module
Components
Removal
Remove transmitter housing cover
Notice:
Take extra care when handling these precision
electronic components.
Twist the screwdriver in the direction of the arrow
mark in the illustration, and open the transmitter
housing cover.
Notice:
Do not forcibly pry ...
Terminals of ecu (2005/11-2006/01)
Notice:
Turn the ignition switch off before measuring the
resistances of the main wire and the branch wire.
After the ignition switch is turned off, check that the
key reminder warning system and light reminder
warning system are not in operation.
Before measuring the resistance, leave ...
Transponder chip malfunction
Description
This dtc is output when: 1) during key code registration, a key malfunction
occurs; 2) the key code was
unable to be registered properly.
Inspection procedure
Reregister key
Clear the dtc (see page ei-18).
Reregister the key code with the transponder key ecu
(s ...