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Hello,
pls. tell my what O/D OFF on the display of my Toyota Vitz means.
Thanks for your efforts.
Kind regards
Bjoern
The overdrive relates to the automatic transmission. For normal driving switch the overdrive on as it will assist with improved fuel economy. An overdrive is like the 5th gear on a manual gearbox, with the overdrive switched off it will only go up to the 4th gear (as an example).