Overdrive button

[JADAEASTWOOD]

Do we drive with over drive on or off? What's preferred?

 

[JADAEASTWOOD]

I've found the answer, overdrive on it is.

 

[TCUltimate2004]

ive heard that its turned off for driving with speeds under 35-45 and on during interstate speeds, ive always left mine on all the time so

 

[JADAEASTWOOD]

ive heard that its turned off for driving with speeds under 35-45 and on during interstate speeds, ive always left mine on all the time so

O ok. Yeah i'm leaving mine on also.

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[Town]

I drive my car with overdrive enabled all the time. The PCM and transmission control module figure out the right gear most all the time. Only times I have used the OD disable is in hilly terrain to avoid the trans hunting for a gear and to provide some engine braking on steep descents. I do not tow a trailer but that can put enough of a load on the car's drivetrain that you may want to disable the overdrive to avoid the trans hunting for a gear.

 

[JADAEASTWOOD]

I drive my car with overdrive enabled all the time. The PCM and transmission control module figure out the right gear most all the time. Only times I have used the OD disable is in hilly terrain to avoid the trans hunting for a gear and to provide some engine braking on steep descents. I do not tow a trailer but that can put enough of a load on the car's drivetrain that you may want to disable the overdrive to avoid the trans hunting for a gear.

Explained nicely. Now i know when to use it. Thanks.

 

[GeneLaw1]

If I remember correctly, the manual for my Town Car mentioned it would be a good thought to turn it off in stop-n-go traffic as well. But like many others here, I drive with it on all the time.

 

[Town]

If I remember correctly, the manual for my Town Car mentioned it would be a good thought to turn it off in stop-n-go traffic as well. But like many others here, I drive with it on all the time.

Yes, you are right, my 2007 model manual says the same thing:

"Use (overdrive disable button) when driving conditions cause excessive shifting from O/D to other gears. Examples: city traffic, hilly terrain, heavy loads, trailer towing and when engine braking is required."

But I have never found city traffic or stop and go traffic caused any excessive shifting, so I leave well enough alone.

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