Quote:
Originally Posted by VL_5SPEED
Leave the button OUT when doing under 80kmph and push it in when doing over 80kmph. Driving with it in doing under 80kmph makes the tranny shift into higher gears doing lower revvs putting stress on the gearbox and worsening your fuel economy. Pretty sure Ive heard that it can severly damage your gearbox if you drive with the button in all the time.
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100% true the button is actually used as a overdrive hence why its a four speed jatco and the console only shows d, 1, 2. pwr button is your fourth gear once your coasting over 80 klms.been thru plenty of boxes til i was actually told what it was for. since then not a drama.