Lexus NX: Key information


Key types

The following keys are provided with the vehicle.

Lexus NX. Key information

  1. Electronic keys
    • Operating the smart access system with push-button start
    • Operating the wireless remote control function
  2. Mechanical keys
  3. Key number plate
  4. Card key (electronic key) (if equipped)
    Operating the smart access system with push-button start

■Card key (if equipped)

Lexus NX. Key information

■When riding in an aircraft When bringing an electronic key onto an aircraft, make sure you do not press any buttons on the electronic key while inside the aircraft cabin. If you are carrying an electronic key in your bag, etc., ensure that the buttons are not likely to be pressed accidentally.

Pressing a button may cause the electronic key to emit radio waves that could interfere with the operation of the aircraft.

■Electronic key battery depletion

■Confirmation of the registered key number The number of keys already registered to the vehicle can be confirmed. Ask your Lexus dealer for details.


■To prevent key damage

■Carrying the electronic key on your person Carry the electronic key 3.9 in. (10 cm) or more away from electric appliances that are turned on. Radio waves emitted from electric appliances within 3.9 in. (10 cm) of the electronic key may interfere with the key, causing the key to not function properly.

■Handling the card key

Wireless remote control

The electronic keys are equipped with the following wireless remote control:

Lexus NX. Key information

  1. Locks all the doors
  2. Unlocks all the doors
  3. Opens the windows and moon roof*1, 2
  4. Opens and closes the power back door*1
  5. Sounds the alarm

*1: If equipped
*2: This setting must be customized at your Lexus dealer.

■Theft deterrent panic mode When is pressed for longer than about 1 second, an alarm will sound intermittently and the vehicle lights will flash to deter any person from trying to break into or damage your vehicle.

To stop the alarm, press any button on the electronic key.

Lexus NX. Key information

■Back door reserve lock function (vehicles with power back door) This function is a function which reserves locking of all doors, beforehand, when the back door is open. When the follow is done, all the doors except the back door are locked and then back door will also be locked at the same time it is closed.

1. Close all doors, except the back door.

2. Push the wireless lock button during the automatic closing operation of the back door.

Using the mechanical key

To take out the mechanical key, push the release button and take the key out.

The mechanical key can only be inserted in one direction, as the key only has grooves on one side. If the key cannot be inserted in a lock cylinder, turn it over and re-attempt to insert it.

After using the mechanical key, store it in the electronic key. Carry the mechanical key together with the electronic key. If the electronic key battery is depleted or the entry function does not operate properly, you will need the mechanical key.

Lexus NX. Key information

■When required to leave the vehicle's key with a parking attendant Lock the glove box as circumstances demand. Remove the mechanical key for your own use and provide the attendant with the electronic key only.

■If a wrong key is used The key cylinder rotates freely to isolate inside mechanism.

■Card key

Lexus NX. Key information


■Handling the card key Do not apply excess force when inserting the mechanical key into the card key.

Doing so may damage the card key.


 Opening, closing and locking the doors

 Side doors

The vehicle can be locked and unlocked using the entry function, wireless remote control or door lock switch. Unlocking and locking the doors from the outside ■ Using the smart access system w

 Back door

The back door can be opened using the back door open switch, smart access system with push-button start or wireless remote control. WARNING ■Caution while driving Keep the back door closed



INSTALLATION PROCEDURE 1. INSTALL TIRE PRESSURE WARNING ECU AND RECEIVER (a) Connect the connector to the tire pressure warning ECU and receiver. (b) Attach the 2 guides to temporarily install the tire pressure warning ECU and receiver. (c) Install the bolt. Torque: for bolt A : 8.3 N·m {85 kg

 Freeze Frame Data

FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever an automatic headlight beam level control system DTC is stored, the headlight ECU subassembly LH stores the current vehicle state as freeze frame data. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG).

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