How you to get the overdrive on or off in a 2000 Chevy Tracker?

The 2000 Chevy Tracker doesn't have a separate overdrive *button* like some later vehicles. Overdrive is controlled by the position of the gear selector.

To engage overdrive (meaning the transmission will use 4th gear for highway driving), make sure your automatic transmission gear selector is in "D" (Drive).

To disengage overdrive, you'll typically need to shift the gear selector to "3" (Third Gear). This forces the transmission to stay in the lower gears and prevent it from shifting into overdrive (fourth gear). This is useful for situations like steep inclines or towing where you need more engine braking and power.