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Question for SNOW mode.

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Old Feb 13, 2015 | 07:38 AM
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Default Question for SNOW mode.

Dear Sir.

My 2001 LS430 have a power, normal, snow driving mode.

If i use the snow mode every day, can save a gas better then normal?

The snow is set-up very low-power status, I guess.

Is it possible?
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Old Feb 13, 2015 | 08:13 AM
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I would say snow mode would probably save more gas since the rpms are kept low, but I may be wrong.
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Old Feb 13, 2015 | 09:03 AM
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Originally Posted by poplinux
Dear Sir.

My 2001 LS430 have a power, normal, snow driving mode.

If i use the snow mode every day, can save a gas better then normal?

The snow is set-up very low-power status, I guess.

Is it possible?
I would say no. In most cars, snow mode starts you in 2nd gear to reduce torque. It takes more power to get these big cars going from a stop in 2nd gear so I would assume it is using more gas. Snow mode is meant to be used briefly when you're having trouble getting the car moving, not as something to leave on.

I could be wrong about how Lexus does it, but my experience with Volvo is that snow starts you in 2nd.
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Old Feb 13, 2015 | 10:14 AM
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Originally Posted by notwealthy
I would say no. In most cars, snow mode starts you in 2nd gear to reduce torque. It takes more power to get these big cars going from a stop in 2nd gear so I would assume it is using more gas. Snow mode is meant to be used briefly when you're having trouble getting the car moving, not as something to leave on.

I could be wrong about how Lexus does it, but my experience with Volvo is that snow starts you in 2nd.
You are correct. Snow mode switches the transmission to a higher gear to prevent the normal torque of 1st gear from spinning the tires at a standing stop. In Snow mode on dry pavement, the tendency would be to put more foot on the gas pedal to accelerate, resulting in reduced gas efficiency.
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Old Feb 14, 2015 | 07:09 AM
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Dear every.

Thank's your advice. It is very helpful to me.
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