Lexus RX Owners Manual (RX450h): If the electronic key does not operate properly

Lexus RX Owners Manual (RX450h) / When trouble arises / Steps to take in an emergency / If the electronic key does not operate properly

If communication between the electronic key and vehicle is interrupted or the electronic key cannot be used because the battery is depleted, the smart access system with push-button start and wireless remote control cannot be used. In such cases, the doors can be opened and the hybrid system can be started by following the procedure below.

Locking and unlocking the doors

■ Unlocking the door Use the mechanical key in order to perform the following operations:

1. Insert the mechanical key while pulling on the driver's door handle.

Lexus RX. Steps to take in an emergency

2. Unlocking the door.

Turning the key rearward unlocks the driver's door. Turning the key again unlocks the other doors.

Lexus RX. Steps to take in an emergency

3. Remove the key, return the handle, and then pull the handle again.

■ Locking the door

1. With the door open, push down the inside lock button.

Lexus RX. Steps to take in an emergency

2. Close the door.

■ Key linked functions

  1. Closes the windows and the moon roof* or panoramic moon roof* (turn and hold)
  2. Opens the windows and the moon roof* or panoramic moon roof* (turn and hold)

These settings must be customized at your Lexus dealer.

*: If equipped

Lexus RX. Steps to take in an emergency

Starting the hybrid system

1. Ensure that the shift lever is in P and depress the brake pedal.

2. Touch the Lexus emblem side of the electronic key to the power switch.

When the electronic key is detected, a buzzer sounds and the power switch will turn to ON mode.

When the smart access system with push-button start is deactivated in customization setting, the power switch will turn to ACCESSORY mode.

Lexus RX. Steps to take in an emergency

3. Firmly depress the brake pedal and check that is shown on the multi-information display.

4. Press the power switch shortly and firmly.

In the event that the hybrid system still cannot be operated, contact your Lexus dealer.

■ Stopping the hybrid system Shift the shift lever to P, set the parking brake, and press the power switch as you normally do when stopping the hybrid 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.

■ Changing power switch modes Release the brake pedal and press the power switch in step above.

The hybrid system does not start and modes will be changed each time the switch is pressed.

■ When the electronic key does not work properly

  • Make sure that the smart access system with push-button start has not been deactivated in the customization setting. If it is off, turn the function on.
  • Check if battery-saving mode is set. If it is set, cancel the function.

WARNING

■ When using the mechanical key and operating the power windows or the moon roof or panoramic moon roof 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.

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