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 engine 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: Customizable features) Check if battery-saving mode is set. If it is set, cancel the function. (Turning an electronic key to battery-saving mode) Locking and unlocking the doors Unlocking the door Use the mechanical key (Using the mechanical key) in order to perform the following operations: Locks all the doors Unlocks all the doors Turning the key unlocks the driver’s door. Turning the key again unlocks the other doors. Note: Key linked functions Closes the windows and the moon roof^* (turn and hold) Opens the windows and the moon roof^* (turn and hold) These settings must be customized at your Toyota dealer. ^*If equipped Warning: When using the mechanical key and operating the power windows or moon roof (if equipped) Operate the power window or 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 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 moon roof. Starting the engine Ensure that the shift lever is in P and depress the brake pedal. 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. Firmly depress the brake pedal and check that is shown on the multi-information display. Press the engine switch shortly and firmly. In the event that the engine still cannot be started, contact your Toyota dealer. Note: 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. 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) 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. (Changing engine switch modes)