Common questions

Can I drive my automatic car in overdrive all the time?

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Can I drive my automatic car in overdrive all the time?

You not only can, but you should leave the car in overdrive all the time for normal driving. In fact, on my Toyota a warning light comes on the dashboard if I turn overdrive off. Overdrive will improve your gas mileage. There are a few times when you may want to turn overdrive off.

Is it better to have the overdrive on or off?

Overdrive improves fuel economy, and makes for less wear and tear on the vehicle when you are driving at highway speeds. Having the overdrive off is fine if you are driving in hilly areas, but if you are on the highway, it is best to have it on because you will get better gas mileage.

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When should overdrive be turned on?

The primary time to turn overdrive off is when going up or down a steep hill. Both of these situations merit being in a lower gear. When going down a hill, using a lower gear helps your vehicle engine brake. This lets the engine do some of the work for you without wearing out or overheating your brakes.

How do I use overdrive buttons?

The overdrive button can be found on the left side of the shifter, below the button used to shift gears. It is much smaller but functions much in the same way; push it in to turn the overdrive on, push it again to release it and turn the overdrive off. Turn the overdrive on before driving.

What does 4 speed automatic with overdrive mean?

It will mean that the transmission has four “obligatory “ gear ratios to move through, plus an auxiliary gear that will spin the gearbox output (driveshaft or half shafts on the front wheels) faster than the engine’s crankshaft. This one, a cruising gear, will only engage when the torque demand is low enough.

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What does 6 speed automatic with OD mean?

overdrive
In the case of manual transmissions, overdrive is the highest gear of the transmission but has to be engaged by the driver. In a five-speed transmission, overdrive is the fifth gear; in a six-speed transmission, overdrive is the sixth gear; and so on.

How fast can you go with overdrive off?

Registered. Driving with the OD off isn’t going to do anything for you if you are under 40 mph. You’ll notice when the OD is ON the TC will unlock at 40mph (it almost feels like it’s shifting into another gear). I usually turn it off when I am driving hills or when I want power to be “on hand” above 40mph.

Does turning overdrive off make you go faster?

Turning OD off made the transmission ride the gears longer before shifting, providing more power, allowing higher RPM’s and decreasing fuel economy.

Does overdrive consume more fuel?

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Overdrive means that for every revolution of the engine, the wheels will turn greater than one revolution. This allows for travel at higher speeds while keeping engine RPM down. Engines burn more fuel at higher rpm. So, they use less fuel in overdrive than in a lower gear.

Is overdrive just another gear?

Overdrive is just another gear. A 4 speed with overdrive has 4 forward gears with 3 being a direct drive (1 to 1 ratio). Modern transmissions usually have more than 1 overdrive gear. In Ford’s 10 speed 8,9,and 10 are all overdrive.

Does overdrive count as a gear?

In the case of manual transmissions, overdrive is the highest gear of the transmission but has to be engaged by the driver. In a five-speed transmission, overdrive is the fifth gear; in a six-speed transmission, overdrive is the sixth gear; and so on.