How to turn off a Lexus "Maintenance Required" light in dash?

by Reed on January 22, 2010

Lexus just wants me to bring my car back in for service as a "checkup", so the maintenance light is on. My car has no problems. How can I turn this light off?

I believe there was a method involving turning the key to accessory and start and off in some pattern to re-set the computer?

Please help! Thank you!
To be honest, it’s my grandmother’s car, and I’m not certain what year it is. It’s an RX though. Most likely an ‘07 or ‘08. It is quite new. Thanks!

if you give the year and model i can tell you. they are all almost the same i just need those things and i can tell you

Ok, RX you have a switch to the left of the steering wheel it says trip/odo this changes your odometer trip there is a trip A and a trip B. With the key in the acc position push the button until u see trip a, then trip b then just the milage on the instrument cluster. then turn the key off, press and hold the trip/odo button and turn the key to the acc position. u should see a dash countdown where the mileage normally is and the maintenance light should blink. when the countdown is over the odometer will turn all 0’s 000000 let go of the trip/odo button. start the car and the light should be off. if the car has a nav sys it may also be programed w/ a maintenance reminder if the car has nav let me know and i’ll tell you how to reset that. hope this helps.

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{ 5 comments… read them below or add one }

1 jrcanizares98 01.22.10 at 3:41 am

You can always disconnect the battery for a few minutes and reconnect it. For most cars, loss of power will cause all your basic systems to reset.
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2 Al A 01.22.10 at 4:23 am

Check your owner’s manual if there is such a quick fix(i.e. turning the ignition on and off so many times) to turn off that light. However, like BMW’s which have a specific reset tool you may be forced to disconnect the battery. If you do disconnect the battery, keep in mind the engine’s computer will have to "relearn" your driving habit and fuel efficiency may be lowered for the first several miles. Also, you may have presets (i.e. radio, seats, whatever) that may also have to be set again.

Also if Lexus does require a reset tool, check Autozone, Kragen if they carry such a tool and you can borrow it for free.
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3 Dennis W 01.22.10 at 4:52 am

if you give the year and model i can tell you. they are all almost the same i just need those things and i can tell you

Ok, RX you have a switch to the left of the steering wheel it says trip/odo this changes your odometer trip there is a trip A and a trip B. With the key in the acc position push the button until u see trip a, then trip b then just the milage on the instrument cluster. then turn the key off, press and hold the trip/odo button and turn the key to the acc position. u should see a dash countdown where the mileage normally is and the maintenance light should blink. when the countdown is over the odometer will turn all 0’s 000000 let go of the trip/odo button. start the car and the light should be off. if the car has a nav sys it may also be programed w/ a maintenance reminder if the car has nav let me know and i’ll tell you how to reset that. hope this helps.
References :
i’m a Lexus tech

4 LostVega$ 01.22.10 at 5:29 am

Any Lexus dealership can reset this for no charge. It takes 5 minutes.

Do not let them talk you into anything that you do not want.
References :

5 freddy b 01.22.10 at 6:16 am

try buying a new gas cap. if that doesnt work just undo the battery for 10 seconds.
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