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 DIAGNOSISMAINTENANCESERVICE AND REPAIRINSIDE VEHICLE
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Inside Vehicle
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Inside Vehicle
GENERAL MAINTENANCE
HINT: These are maintenance and inspection items which are considered to be the owner's responsibility.
They can be done by the owner or they can have them done at a service shop.
These items include those which should be checked on a daily basis, those which, in most cases, do not require special tools and those which are considered to be reasonable for the owner to do.
Items and procedures for general maintenance are as follows.
1. GENERAL NOTES
^ Maintenance items may vary from country to country. Check the owner's manual supplement in which the maintenance schedule is shown.
^ Every service item in the periodic maintenance schedule must be performed.
^ Periodic maintenance service must be performed according to whichever interval in the periodic maintenance schedule occurs first, the odometer reading (miles) or the time interval (months).
^ Maintenance service after the last period should be performed at the same interval as before unless noted.
^ Failure to do even one of the items can cause the engine to run poorly and/or increase the exhaust emissions.
2. LIGHTS
a. Check that the headlights, stop lights, taillights, turn signal lights, and other lights are all working.
b. Check the aim of the headlights.
3. WARNING LIGHTS AND BUZZERS
a. Check that all the warning lights and buzzers function properly.
4. HORN
a. Check that the horn works normally.
5. WINDSHIELD GLASS
a. Check for scratches, pits or abrasions.
6. WINDSHIELD WIPER AND WASHER
a. Check operation of the wipers and washer.
b. Check that the wipers do not streak.
7. WINDSHIELD DEFROSTER
a. Check that air comes out from the defroster outlet when operating the heater or air conditioner in the defroster mode.
8. REAR VIEW MIRROR
a. Check that the rear view mirror is mounted securely.
9. SUN VISORS
a. Check that the sun visors move freely and are mounted securely.
10. STEERING WHEEL
a. Check that the steering wheel has the specified free play. Be alert for changes in steering condition, such as hard steering, excessive free play or strange noises.
11. SEATS
a. Check that all the front seat controls such as seat adjusters, seat back recliner, etc. operate smoothly.
b. Check that all the latches lock securely in any position.
c. Check that the locks hold securely in any latched position.
d. Check that the head restraints move up and down smoothly and that the locks hold securely in any latched position.
e. Check that the latches lock securely, folding-down the rear seat backs.
12. SEAT BELTS
a. Check that the seat belt system such as the buckles, retractors and anchors operate properly and smoothly.
b. Check that the belt webbing is not cut, frayed, worn or damaged.
13. ACCELERATOR PEDAL
a. Check the pedal for smooth operation, uneven pedal effort or catching.
14. BRAKE PEDAL
a. Check the pedal for smooth operation.
b. Check that the pedal has the proper reserve distance and free play.
c. Check the brake booster function.
15. BRAKES
a. At a safe place, check that the brakes do not pull to one side when applied.
16. PARKING BRAKE
a. Check that the lever has the proper travel.
b. On a safe incline, check that the vehicle is held securely with only the parking brake applied.
17. AUTOMATIC TRANSMISSION "PARK" MECHANISM
a. On a safe incline, check that the vehicle is held securely with the selector lever in the "P" position and all the brakes released.
HINT: These are maintenance and inspection items which are considered to be the owner's responsibility.
They can be done by the owner or they can have them done at a service shop.
These items include those which should be checked on a daily basis, those which, in most cases, do not require special tools and those which are considered to be reasonable for the owner to do.
Items and procedures for general maintenance are as follows.
1. GENERAL NOTES
^ Maintenance items may vary from country to country. Check the owner's manual supplement in which the maintenance schedule is shown.
^ Every service item in the periodic maintenance schedule must be performed.
^ Periodic maintenance service must be performed according to whichever interval in the periodic maintenance schedule occurs first, the odometer reading (miles) or the time interval (months).
^ Maintenance service after the last period should be performed at the same interval as before unless noted.
^ Failure to do even one of the items can cause the engine to run poorly and/or increase the exhaust emissions.
2. LIGHTS
a. Check that the headlights, stop lights, taillights, turn signal lights, and other lights are all working.
b. Check the aim of the headlights.
3. WARNING LIGHTS AND BUZZERS
a. Check that all the warning lights and buzzers function properly.
4. HORN
a. Check that the horn works normally.
5. WINDSHIELD GLASS
a. Check for scratches, pits or abrasions.
6. WINDSHIELD WIPER AND WASHER
a. Check operation of the wipers and washer.
b. Check that the wipers do not streak.
7. WINDSHIELD DEFROSTER
a. Check that air comes out from the defroster outlet when operating the heater or air conditioner in the defroster mode.
8. REAR VIEW MIRROR
a. Check that the rear view mirror is mounted securely.
9. SUN VISORS
a. Check that the sun visors move freely and are mounted securely.
10. STEERING WHEEL
a. Check that the steering wheel has the specified free play. Be alert for changes in steering condition, such as hard steering, excessive free play or strange noises.
11. SEATS
a. Check that all the front seat controls such as seat adjusters, seat back recliner, etc. operate smoothly.
b. Check that all the latches lock securely in any position.
c. Check that the locks hold securely in any latched position.
d. Check that the head restraints move up and down smoothly and that the locks hold securely in any latched position.
e. Check that the latches lock securely, folding-down the rear seat backs.
12. SEAT BELTS
a. Check that the seat belt system such as the buckles, retractors and anchors operate properly and smoothly.
b. Check that the belt webbing is not cut, frayed, worn or damaged.
13. ACCELERATOR PEDAL
a. Check the pedal for smooth operation, uneven pedal effort or catching.
14. BRAKE PEDAL
a. Check the pedal for smooth operation.
b. Check that the pedal has the proper reserve distance and free play.
c. Check the brake booster function.
15. BRAKES
a. At a safe place, check that the brakes do not pull to one side when applied.
16. PARKING BRAKE
a. Check that the lever has the proper travel.
b. On a safe incline, check that the vehicle is held securely with only the parking brake applied.
17. AUTOMATIC TRANSMISSION "PARK" MECHANISM
a. On a safe incline, check that the vehicle is held securely with the selector lever in the "P" position and all the brakes released.
RENDER: 1.0x
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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.