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.
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HOMESERVICE MANUALSLEXUS2006RX 400H AWD V6-3.3L (3MZ-FE) HYBRIDREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSKEYLESS ENTRYTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSKEY REMINDER WARNING SYSTEMOPERATION CHECK
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Operation Check
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Operation Check
OPERATION CHECK
1. REMOVE CHECK FUNCTION
a. Check that the key reminder warning buzzer sounds.
1. With the driver side door closed, insert the key into the ignition key cylinder and then turn the key to LOCK or ACC.
2. Check that the buzzer sounds intermittently if the driver side door is opened.
b. Check that the key reminder warning buzzer stops.
1. Check that the buzzer stops sounding if any of the following operations is performed while the buzzer is sounding:
- Close the driver side door (front door courtesy light switch is off).
- Turn the ignition switch ON.
- Pull out the key from the ignition key cylinder.
1. REMOVE CHECK FUNCTION
a. Check that the key reminder warning buzzer sounds.
1. With the driver side door closed, insert the key into the ignition key cylinder and then turn the key to LOCK or ACC.
2. Check that the buzzer sounds intermittently if the driver side door is opened.
b. Check that the key reminder warning buzzer stops.
1. Check that the buzzer stops sounding if any of the following operations is performed while the buzzer is sounding:
- Close the driver side door (front door courtesy light switch is off).
- Turn the ignition switch ON.
- Pull out the key from the ignition key cylinder.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.