The Check Engine Light and the Maintenance required light are 2 different things. The Check Engine Light means that there is a fault in the computer system. The Maintenance light means you are do for a service. Please have your Check Engine Code retrieved so you can trace down the problem. see http://repairpal.com/check-engine-light
Put your odometer on the original miles setting. Shut engine off. Press your odometer gauge button while you turn your key half on. Wait for the beep noise and count to 5, start your engine while you are still pressing your reset button on the odometer. This will clear it. I was told this in from a toyota mech.
Very Simple. Disconnect your positive cable frrom your battery for 20 secounds so your system can reset.
Let me know how it works. Got to Love it Baby!!
p.s. Let me know how easy it is.