The oil light reset button is located under the steering wheel on your 2010 Prius
After you change your oil and filter, the maintenance reminder light on your dashboard will stay on until you reset it manually. On a 2010 Prius, you do not need a scan tool or a dealer visit — the reset switch is built into the car and takes about 30 seconds to find and use.
The reset button sits on the left side of the steering column, below the dashboard. It is a small black or gray button, sometimes labeled "ODO/TRIP" or left unlabeled. You will need to reach under the steering wheel to access it comfortably, so sitting in the driver's seat and leaning forward usually works best.
Key Takeaways
- The reset button is located on the left side of the steering column, below the dashboard, and is small and straightforward to miss.
- You must turn the ignition to the "On" position (without starting the engine) before pressing the reset button.
- Press and hold the button for three to five seconds until the oil light blinks and then goes dark.
- If the light does not go out, turn off the ignition, wait a few seconds, and repeat the process.
Step-by-step reset process
Start by sitting in the driver's seat with the door closed. Insert your key into the ignition and turn it to the "On" position — this is the second click, where the dashboard lights up but the engine does not start. Do not turn the key all the way to start the engine.
Locate the reset button on the left side of the steering column. You may need to lean forward or tilt the steering wheel up to see it clearly. Once you find it, press and hold the button firmly. You should see the oil light on the dashboard blink once or twice, then disappear. Hold the button for three to five seconds total to make sure the reset takes.
Turn the ignition back to the "Off" position. The oil light should now be gone from your dashboard. Start the engine to confirm the light does not return. If it does return, the reset did not take — turn the ignition back to "On" and repeat the process, holding the button a bit longer this time.
What to do if you cannot find the button
If you have looked under the steering column and cannot locate the reset button, check your owner's manual for your specific model year. Some 2010 Prius models have the button in a slightly different location, and the manual will show you exactly where.
Another option is to use the dashboard controls themselves. On some Prius models, you can scroll through the dashboard menu using the steering wheel buttons to find a maintenance reset option. This method takes longer but works if the physical button is not accessible or not responding.
Why the light stays on after an oil change
The oil light is a maintenance reminder that your car's computer tracks based on engine hours and driving patterns, not on when you actually change the oil. Even though you just replaced the oil and filter, the computer does not know that — it only knows that the service interval has been reached. The reset button tells the computer to restart its timer.
This is different from an oil pressure warning light, which would stay on if your oil level is actually low or your engine has a problem. The maintenance reminder light is purely a service schedule indicator and goes away once you reset it.
Common mistakes that prevent the reset from working
The most common mistake is trying to reset the light while the engine is running or while the ignition is in the "Off" position. The button only works when the ignition is in the "On" position. Make sure you hear or feel the dashboard power up before you press the button.
Another mistake is not holding the button long enough. A quick tap will not work — you need to hold it for at least three seconds. If the light blinks but does not go out, hold it longer the next time. Some Prius models require a full five-second hold.
If you reset the light but it comes back on when ready after you start the engine, the reset did not register. This usually means the ignition was not quite in the "On" position, or the button was not held long enough. Try again, and make sure you hear the dashboard beep or see the lights brighten when you turn the key.
When to reset versus when to check your oil level
Reset the maintenance light only after you have actually changed your oil and filter. If the light came on and you have not done an oil change yet, do not reset it — that light is telling you that service is due.
If the light comes back on a few days after you reset it, something is wrong. Check your oil level with the dipstick to make sure the oil is at the correct mark. If the level is low, top it off and see if the light goes away. If the light stays on even after you have confirmed the oil level is correct, your car may have an oil pressure sensor problem, and you should have a mechanic look at it.
Frequently Asked Questions
Do I need to take my 2010 Prius to a dealer to reset the oil light?
No. The reset button is built into your car and you can do it yourself in under a minute. A dealer will reset it for you if you ask, but there is no reason to pay for that service when the button is right under your steering wheel.
What if I accidentally reset the light before changing the oil?
The light will come back on when the next service interval is reached. You have not damaged anything. Just change your oil when the light comes on again, then reset it as normal. The computer will continue to track service intervals from that point forward.
Is the oil maintenance light the same as the oil pressure warning light?
No. The maintenance reminder is a scheduled service indicator that you reset manually. The oil pressure warning light looks different, comes on when the engine is running, and means your oil pressure is too low — that one requires when ready attention and a mechanic visit, not a reset button.
How often should I reset the oil light on my 2010 Prius?
Every time you change your oil and filter. Toyota recommends an oil change every 10,000 miles for most 2010 Prius models, though your owner's manual will specify the exact interval for your car. Reset the light after each change to keep the reminder accurate.