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Wit OD on your car shifts to the next gear early sending you into fourth gear earlier to save gas, OD off you just use all four gears normally, but uses more gas.
Wit OD on your car shifts to the next gear early sending you into fourth gear earlier to save gas, OD off you just use all four gears normally, but uses more gas.
4th gear is od, and hitting the little button locks it out of 4th gear(OD) and thats it