If the electronic key does not operate properly If communication between the electronic key and vehicle is interrupted (Conditions affecting operation) 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 EV system can be started by following the procedure below. Note: When the electronic key does not work properly Make sure that the smart key system has not been deactivated in the customization setting. If it is off, turn the function on. (Customizable features: Smart key system) Check if battery-saving mode is set. If it is set, cancel the function. (Turning an electronic key to battery-saving mode) Notice: 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 (Using the mechanical key) in order to perform the following operations. Locks all the doors Unlocks the door Turning the key rearward unlocks the driver’s door. Turning the key once again within 5 seconds unlocks the other doors. Note: Key linked functions Closes the windows (turn and hold)^* Opens the windows (turn and hold)^{* *}These settings must be customized at your Toyota dealer. Warning: When using the mechanical key and operating the power windows Operate the power window after checking to make sure that there is no possibility of any passenger having any of their body parts caught in the window. 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. Starting the EV system Depress the brake pedal. Touch the electronic key to the power switch. When the electronic key is detected, a buzzer sounds and the power switch will turn to ON. When the smart key system is deactivated in customization setting, the power switch will turn to ACC. Firmly depress the brake pedal and check that is displayed on the multi-information display. Press the power switch shortly and firmly. In the event that the EV system still cannot be started, contact your Toyota dealer. Note: Stopping the EV system Shift the shift position to P, set the parking brake and press the power switch as you normally do when stopping the EV system. 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. (Electronic key battery) Alarm If a door is unlocked using the mechanical key when the alarm system is set, the alarm may be triggered. (Alarm) Changing power switch modes Release the brake pedal and press the power switch in step 3 above.The EV system does not start and modes will be changed each time the switch is pressed. (Changing power switch modes)