Reset oil maintenance on toyota prius c with smart key

have you tried replacing the smart key battery?

Car won't start.
Check the following systems:
1. No. 1 Motor generator -
2. Hybrid control system
3. Immobiliser system
4. Smart key system
5. ECM power source

VSC ABS and ! lights plus red (!) - Toyota Prius Forum ...

www.priusonline.com/...toyota-prius.../19804-vsc-abs-lights-plus-red.ht...

Jun 3, 2008 - 8 posts - ‎3 authors
If the accumulator fails, you will get a red brake warning light and the pump will now run continuosly until it burns out. ... hydraulic pressure to the brake system and "no"red warning lights. .... Fog Lights, PassGas, Toyota Prius General Discussion, 4, 10-13-2005 09:12 AM ... 11-13-2015 10:01 PM by Tim Lee.

Alarm with Brake Light, ABS, VSC and amber warning lights ' PriusChat

priuschat.com > ... > Gen 2 Prius Care, Maintenance and Troubleshooting

Jul 26, 2005 - Later that same day - I started getting an alarm - as soon... ... Gen 2 (2004-2009) Toyota Prius Forums > Gen 2 Prius Care, ... Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by NorthStar, Jul 26, 2005. ... I am getting the red BRAKE LIGHT, the amber waming symbol, ABS, and ... VSC, ABS, (!) and emergency brake light on
Feb 5, 2010
Brake, Brake warning, ABS, VSC appear
Oct 5, 2008
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The following components may be at fault:
1. No. 1 Motor generator -
2. Hybrid control system.
3. Immobilizer.
4. Smart key system.
5. Mass Air Flow sensor.

Take it to your nearest Toyota service department and have the required service performed. Believe me, preventive maintenance is much cheaper than repairs that are required from part failure from a missed service.

I had the same problem with 2007 Prius.
Before doing the resetting procedure, look under the steering wheel and see if there is a "key" button. Mine had been pushed in,inadvertently during an inspection, which immobilized the "smart" operation. Simply pushing the button solved the problem.

your local toyota dealer should take no more than 1/2 hour to reprogram all remotes and keys to match...(the computer only allows 30 mins before the whole sequence has to be redone...)

I finally found the solution. It is actually detailed in the owner's manual but you really have to hunt for it. Look at page 450/451.

Step 1: Switch the display to the trip meter A with the engine running.

Step 2: Turn the engine off (but don't turn the key all the way to where you can remove it from the ignition).

Step 3: While pressing the trip meter reset button, turn the key to IGNITION ON (but don't start the engine). Continue to press and hold the trip meter reset button until the trip meter displays "000000".

Hello. Great question.

Yes, the battery can be the culprit, and it is easily changed.

Remove the metal key from the side of the smart key, and then split the casing of the smart key, via the slot. There is a small circular battery that you can remove and replace. Use the exact same battery.

No Re-programming is necessary. The smart key frequency is coded to the car. Changing the battery does not change the frequency.

Thanks for such a good question.

Look in your owners manual and go to the part that explains the different symbols on your dash. Look for that service reminder and it should tell you what page to go to to learn more about that. Somewhere there should be some wording to the effect that "When you have your car serviced by a certified Toyota dealer they will reset it for you. In the event that someone other does your maintenance then this is the procedure to reset......."