Operation CHARM: Car repair manuals for everyone.

Throttle Positions

Minimum Throttle - the least amount of throttle opening required for an upshift.

Light Throttle - approximately 1/4 of accelerator pedal travel.

Medium Throttle - approximately 1/2 of accelerator pedal travel.

Heavy Throttle - approximately 3/4 of accelerator pedal travel.

Wide Open Throttle (WOT) - full travel of the accelerator pedal.

Full Throttle Detent Downshift - a quick application of the accelerator pedal to its full travel, forcing a downshift.

Zero Throttle Coastdown - a full release of the accelerator pedal while the vehicle is in motion and in drive range.

Engine Braking - a procedure where the engine is used to slow the vehicle by manually downshifting during a zero throttle coastdown.