Otherwise just ignore the the throttle. It's just there to lift you off the top end of what you can pedal before you spin out and hit the "maintain" button on, and to take the (possibly quite literal) heart attack out of having to expedite a permitted but unprotected move across a stroad (say, coming off a stop sign, or to make a left on a flashing yellow arrow after making it to the middle of a stroad to make that turn in the first place). And to make the stroad blocks less painful.