How to reset a revo?
 

I need to reset the receiver but i have no idea how...My throttle will nt open and the brake will not engage

Is it the ready to run? Have you charged your batteries? Changed the batteries in your radio? Not really a way to reset your recevier. I would guess if you have new batteries adn are charged that your servo is toast, stock traxxas servos are not the greatest. Try a new servo in the throttle, the steering servos are decent throttle servos, and I would upgrade to a new single steering servo over upgrading the throttle to new, make it a good one.

Traxxas optidrive for revo is acting up
 

I need to know how to reset the optidrive....i think that will solve all of my problems with throttle and braking

OH, the optidrive, no idea on that one.
Rod

Look in the owner's manual or go to Traxxas website and download it.