Nissan Repair: 2007 nissan sentra, 2007 nissan sentra, nissan sentra

Question
I have the base model. It is automatic and when I picked it up at the dealer the overdrive button was on and I was wondering if I should leave it on at all times. I notice if I take it off the RPMS are high etc. Thanks

Answer
Blair,

Yes, leave it on all the time.  When you turn the overdrive off the torque converter unlocks and it downshifts to third and this will cause the transmission to over heat if you do it too often.  The only time it really helps is when you are stuck in a situation between 40 to 45 MPH where the transmission is constantly shifting out of overdrive and back.