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Where to find information about ATTESA AWD

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Old 03-23-2009, 07:46 PM
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sebounet
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Where to find information about ATTESA AWD

I recently bought a 2009 G37X Sedan, and i like to find technical informations about ATESSA, AWD system of infiniti. Nothing special on their site. I think it has been improved since G35.

i"d like to know how it works.
What the Snow mode does. Could i drive on snow without snow mode on and be safe , but having more fun ?

Well a lot of questions ?

Any good links would be appreciated

Thanks
Old 03-23-2009, 08:32 PM
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emtrey
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snow mode gives a second gear start according to my sales person.
Old 03-24-2009, 06:34 AM
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baileyrx
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I too have searched. I've read a bit on mygtr.com.
Old 03-24-2009, 02:37 PM
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JohnEnglish
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Originally Posted by emtrey
snow mode gives a second gear start according to my sales person.
He's wrong, snow mode reduces throttle input. It says so right in the manual.

Snow mode doesn't have anything to do with ATESSA and really only helps out when starting from a standstill.
Old 03-24-2009, 06:28 PM
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emtrey
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makes more sense...thanks.
Old 03-24-2009, 07:14 PM
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finagle69
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click HERE
Old 03-24-2009, 08:13 PM
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sebounet
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Thanks i googled it yet, but i think someone has better information. Someone told me to look on GTR forum. there's some information, but i'm not sure everything apply to a g39 Sedan
Old 03-25-2009, 01:25 AM
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GT-R
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Originally Posted by JohnEnglish
He's wrong, snow mode reduces throttle input. It says so right in the manual.

Snow mode doesn't have anything to do with ATESSA and really only helps out when starting from a standstill.
No, Snow Mode does have something to do with ATTESA.

Snow Mode reduces throttle sensitivity AND locks the front and rear at a 50/50 split up to 12 miles-per-hour. After that it goes back to normal AWD mode.

From a standstill in normal conditions, ATTESA always starts at 25/75 F/R then it goes to 0/100.
Old 03-25-2009, 01:48 AM
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Riley
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I would hope all this is in the manual.
Old 03-25-2009, 05:12 PM
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sebounet
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Originally Posted by GT-R
No, Snow Mode does have something to do with ATTESA.

Snow Mode reduces throttle sensitivity AND locks the front and rear at a 50/50 split up to 12 miles-per-hour. After that it goes back to normal AWD mode.

From a standstill in normal conditions, ATTESA always starts at 25/75 F/R then it goes to 0/100.
I asked to my dealer, and the answer was close to what you wrote.

He explained me that when road are covered with snow, ice , sludge, usins snow mode, act as you said. If you don't use it, you are going to slip , the back of the car will swing, untill the stability control and AWD work together, to put the car back on the good track.

So using snow mode is safer and quicker because you already tell to the computer '' hey , use the four wheel drive at the beginning, it's slippery''
Old 03-25-2009, 11:53 PM
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JohnEnglish
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Originally Posted by GT-R
No, Snow Mode does have something to do with ATTESA.

Snow Mode reduces throttle sensitivity AND locks the front and rear at a 50/50 split up to 12 miles-per-hour. After that it goes back to normal AWD mode.

From a standstill in normal conditions, ATTESA always starts at 25/75 F/R then it goes to 0/100.
Oh yeah I forgot about the 50/50 locking.
Old 03-25-2009, 11:55 PM
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JohnEnglish
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Originally Posted by sebounet
I asked to my dealer, and the answer was close to what you wrote.

He explained me that when road are covered with snow, ice , sludge, usins snow mode, act as you said. If you don't use it, you are going to slip , the back of the car will swing, untill the stability control and AWD work together, to put the car back on the good track.

So using snow mode is safer and quicker because you already tell to the computer '' hey , use the four wheel drive at the beginning, it's slippery''
Eh, with a set of snow tires I had no problems and I used snow mode once or twice. It only works at speeds below 14 mph or something. if the road is slippery and you have VDC on and floor the gas the wheels spin and the car goes in a straight line. Snow mode, in my experience, just reduced the wheel spin.
Old 03-26-2009, 07:48 AM
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sebounet
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Originally Posted by JohnEnglish
Eh, with a set of snow tires I had no problems and I used snow mode once or twice. It only works at speeds below 14 mph or something. if the road is slippery and you have VDC on and floor the gas the wheels spin and the car goes in a straight line. Snow mode, in my experience, just reduced the wheel spin.
Yes you are right, but reducing wheel spin give you more efficiency but less fun
Old 03-26-2009, 10:14 AM
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JohnEnglish
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Originally Posted by Riley
I would hope all this is in the manual.
Yes, but it should be pretty obvious from reading some of the posts here that very few people actually read the manual.
Old 03-26-2009, 03:43 PM
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Riley
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Originally Posted by JohnEnglish
Yes, but it should be pretty obvious from reading some of the posts here that very few people actually read the manual.
Agreed and that's my point (RTFM). Seems a bit funny to spend 40K on a car and then wonder about some specific feature and then ask advice from people (who may or may not know) on the net.


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