Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSLEXUS2012RX 450H AWD V6-3.5L (2GR-FXE) HYBRIDREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSTESTING AND INSPECTIONPROGRAMMING AND RELEARNINGSMART ACCESS SYSTEM WITH PUSH-BUTTON START (FOR START FUNCTION)
2012 Lexus RX 450h AWD V6-3.5L (2GR-FXE) Hybrid
Smart Access System With Push-Button Start (for Start Function)
2012 Lexus RX 450h AWD V6-3.5L (2GR-FXE) HybridSECTION Smart Access System With Push-Button Start (for Start Function)
THEFT DETERRENT / KEYLESS ENTRY: SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function): CUSTOMIZE PARAMETERS
1. CUSTOMIZING FUNCTION WITH TECHSTREAM
HINT
The items in the table below can be customized.
NOTICE:
* When the customer requests a change in a function, first make sure that the function can be customized.
* Be sure to make a note of the current setting before customizing.
* When troubleshooting a function, first make sure that the function is set to the default setting.
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Customize Setting / Smart key/Access.
(e) Select the setting by referring to the table below.
Smart Access
*: Weak radio waves will still be emitted from oscillators other than the front oscillator even when the "Front" customize setting is selected.
(f) Enter the following menus: Customize Setting / Warning.
(g) Select the setting by referring to the table below.
Warning
2. CUSTOMIZING FUNCTION WITHOUT TECHSTREAM
Performing the following procedure disables the smart access system with push-button start.
HINT
To start the hybrid control system while the smart access system with push-button start is disabled, follow the procedure for when the key battery is low System Description.
(a) The operation procedures are as follows:
Precondition:
Power switch off, driver side door closed and unlocked.
(1) Push the unlock switch of the key once.
(2) Open the driver door within 5 seconds.
(3) Push the unlock switch of the key twice within 5 seconds.
(4) Close and open the driver door twice within 30 seconds.
(Driver door: Close -> Open -> Close -> Open)
(5) Push the unlock switch of the key twice within 5 seconds.
(6) Close and open the driver door within 30 seconds.
(Driver door: Close -> Open)
(7) Close the driver door within 5 seconds.
When electrical key cancel is activated, the wireless door lock buzzer sounds twice.
To return to the original condition, perform the procedures again. When the original condition is returned, the wireless door lock buzzer sounds once.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.