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Old 10-19-2008, 09:15 AM   #1 (permalink)
 
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Default i-AWD button behavior

I have a 2008 SX4 JX AWD.

Whenever I want to switch from "AUTO" to "LOCK", I have to hold the button down for something like 3 seconds until it eventually activates.

Is there a way to bypass that? It's incredibly annoying!

Also, the automatic fall-back to "AUTO" mode when I reach 60km/h, is also annoying. Is this necessary?
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Old 10-20-2008, 09:48 AM   #2 (permalink)
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Read the manual that came with your car!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Old 10-20-2008, 09:49 AM   #3 (permalink)
 
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Originally Posted by grats View Post
Read the manual that came with your car!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
I did. And the manual states: "You must hold the button for 4 seconds for the LOCK to engage."

That delay is what annoys me, not the fact that I have to press it to engage it.
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Old 10-20-2008, 10:00 AM   #4 (permalink)
 
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Oh, I guess your "RTFM" response was related to the need for removing lock after 60km/h, in which case the manual simply states it's a question of overheating.

Now I used to own an Impreza which has viscous coupling on the central differential. If I understand the concepts properly, whenever differential rotation is applied to the coupling, the friction causes the viscous material to heat up and solidify, effectively locking the differential.

At that point (say I did a few donuts), the central diff is locked because it's hot. Then I just leave the parking lot and get onto the highway at 100km/h for a while. Nothing exploded. Why? Is it because it unseizes quick enough to not be a problem?

Would that be why Suzuki's i-AWD requires the computer to quickly remove lock of the central diff because it would otherwise be unable to cool it down fast enough? It's a bit unclear to me all of this, which is the reason for the second part of my post.
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Old 10-20-2008, 10:03 AM   #5 (permalink)
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Well you must have missed the part where it says do not drive on paved roads when awd is in locked position or you will f*#k the thing up.
The reason it works that way is because the car senses when you are on hard pan and will shift back to auto as not to f*#k things up.
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Old 10-20-2008, 11:33 AM   #6 (permalink)
 
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yeah the LOCK feature if you read the manual is for desperate times on mud or snow only if you get stuck. its not meant to be on while your on blacktop or any non-loose surface. it can overheat your awd system, and eventually break it.
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Old 10-20-2008, 12:55 PM   #7 (permalink)
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Quote:
Originally Posted by laurent View Post
I have a 2008 SX4 JX AWD.

Whenever I want to switch from "AUTO" to "LOCK", I have to hold the button down for something like 3 seconds until it eventually activates.

Is there a way to bypass that? It's incredibly annoying!

Also, the automatic fall-back to "AUTO" mode when I reach 60km/h, is also annoying. Is this necessary?

So holding a button down for 3 seconds is incredibly annoying to you?
Is your finger made of silly putty?

As for driving all day long in LOCK, go for it. Just keep under 60km/h. The people that wrote the manual know nothing, they are just screwing with ya.
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Old 10-20-2008, 01:23 PM   #8 (permalink)
 
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So holding a button down for 3 seconds is incredibly annoying to you?
Is your finger made of silly putty?
Yes, and it's a real problem! Please do not laugh at people with platicinitis! You should see the mess it makes when I use the parking brake.

I admit my adjective might have been a bit blunt. Perhaps we could settle for "mildly annoying", or maybe "represents and inconvenience"? I'm very flexible, we can surely find a middle ground.

But seriously, it's not the action of pressing it that I find annoying, it's the delay involved. When I want to switch into lock, I want it now, not tomorrow. Maybe it's fine your average driver that will press it once to get out of the snow bank and be done with it, but I would prefer a quicker response.

Much the same way as I chose to drive a manual transmission for the responsiveness, not relying on the awful automatic transmission selection of gears and delayed response when resquesting abrupt changes in driving style.

Quote:
As for driving all day long in LOCK, go for it. Just keep under 60km/h. The people that wrote the manual know nothing, they are just screwing with ya.
Now now, please re-read my posts very carefully and observer that I have, at no point whatsoever, implied that instruction manual writers did now know what they were talking about. What I implied was that the instruction manual lacked details about the reasoning behind the given instruction. You're right, the manual is very very specific at telling what I should not do, but gives no indication as to why.

This lack of information leads me to bring the subject into a discussion forum where other people can share their knowledge. Of course there's no good reason why they should detail in an instruction manual the mechanical reasons why the lock shouldn't be left on, but that doesn't mean I'm not interested into finding it.

Last edited by laurent; 10-20-2008 at 01:25 PM.
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Old 10-20-2008, 07:40 PM   #9 (permalink)
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the suby is an all time AWD, as apposed to our cars that are only in "rough" times. the zuk AWD system is more similar to 4wd systems that are not meant to driven on hard surface, unlike true AWD systems that are running all wheels all the time.

sorry i wasnt able to shed light on your question
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Old 10-21-2008, 09:03 AM   #10 (permalink)
 
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I guess the question is far more technical than I expected, and perhaps no one actually knows the answer.

But back to my initial question: Can the 4 seconds delay be bypassed?
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