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Old 03-01-2010, 02:54 PM   #1 (permalink)
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Default An embarrassing moment…

The GV is my first SUV and 4X4 vehicle. Aside from riding shotgun in a Unimog and a Land Rover I have no knowledge or experience with off roading. I had no expectations of the GV to perform like the aforementioned legends when I bought it. However, considering its architecture and equipment I didn’t expect to get “stuck” during the recent snow storm we had.

According to the owners manual, the ESP is automatically turned off when in 4L. I had to get through some deep stuff (heavy snow mixed with mud) so I locked it into 4L and proceeded forward… the instrument cluster indicated “ESP OFF” and “4L”. When the going got tough, about 5 or so feet forward, the ESP began and stalled all momentum. I tried reverse and the same. After 10 or so minutes of struggling I shifted into park, disengaged the ESP and put the transfer case into 4H. The GV crawled forward effortlessly! I drove about ¼ mile with accumulation almost ½ way up the doors. I couldn’t see the wheels. I accomplished what I had to do and got back out without any drama.

Although the manual indicates ESP off, it really isn’t off. At least in my truck…
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Old 03-01-2010, 10:36 PM   #2 (permalink)
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That's ironic. I got stuck too with my GV in the same storm. I live in rockland county, right over the jersey border. I got stuck and put it into 4L, and the ESP kicked in too. I did just as you did by putting it into 4H and turning off the ESP, which worked. This has happened before to me when I got stuck in mud, and after this past snow stuck situation I asked myself the same question. I have one guess. I know that the ESP kicks back on after 35mph, and if you look at the speedometer when you are stuck and trying to accelerate, you will notice that the needle shoots up as the engine revs, but you're obviously not moving at all. It could be that the ESP is coming on after the speedometer hits a certain mph. ?
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Old 03-02-2010, 12:24 AM   #3 (permalink)
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ESP and Traction Control are two different things.

ESP stops the car skidding or sliding sideways through a corner. TC stops the wheels spinning when driving in a straight line. (as far as I understand it)

Using 4L turns the ESP off but the TC stays on.

When you say the ESP stalled your momentum, were you going straight or turning? I have little experience with snow but ESP can be a problem in sand, hence the ESP Off button on the dash so you can turn it off when in 4H.
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Old 03-02-2010, 09:01 AM   #4 (permalink)
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Anyway 4L in snow is not very good as you are sending too much torque resulting in wheel spinning for nothing (something you want to avoid in snow), and this is most probably why you got the TCS to engage too soon. In lots of situation, on top of staying in High mode (locked or not) you can try to put the tranny in second, then again you'll get less torque to the wheels preventing slippage and allowing to crawl.

In any mode, TCS is always there and works with the braking system, ESP on the other hand, along with the braking system can also bring the engine power down, because of this putting ESP to off in sand, mud or deep wet snow is a good idea.
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Old 03-02-2010, 09:42 AM   #5 (permalink)
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Quote:
Originally Posted by steve125 View Post
ESP and Traction Control are two different things.

ESP stops the car skidding or sliding sideways through a corner. TC stops the wheels spinning when driving in a straight line. (as far as I understand it)

Using 4L turns the ESP off but the TC stays on.

When you say the ESP stalled your momentum, were you going straight or turning? I have little experience with snow but ESP can be a problem in sand, hence the ESP Off button on the dash so you can turn it off when in 4H.
After the incident I called my Buddy, an avid off roader who drives an old Land Rover and explained what happened. After he called me an idiot for getting stuck in the GV he too explained this. Oh well, I live and learn. It’s nice to know that the GV is highly regarded in the off road community though.
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Old 03-03-2010, 02:22 AM   #6 (permalink)
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Quote:
Originally Posted by 08vitara View Post
After the incident I called my Buddy, an avid off roader who drives an old Land Rover and explained what happened. After he called me an idiot for getting stuck in the GV he too explained this. Oh well, I live and learn. It’s nice to know that the GV is highly regarded in the off road community though.
Well we all live and learn..

Friends calling each other idiots are not really friends are they ??

I guess the buttons in a 4x4 are always a bit confusing at the start, since they are easy to play with, and we, as humans always tend to think that if we get stuck, the buttons will always make the car come clear again.

Point is, as explained above, when on slippery ground, keep the torque on the wheels down to a minimum, and try to ease out. Wheel spin will only make things worse, unless you're on thin ice/black ice/snow, and are wearing your spiky tires.. but then again.. if you're fitted, then you wouldnt be stuck in the first place :-P

Always remember, in your old fwd manual car, you would put the car in 3 or 4th gear and slowly ease out of trouble.. Same goes for the 4x4. Just because all 4 wheels can spin, doesnt mean you dont need to use the conventional thinking :-P

Anyone watching the TopGear Polar special would know this :-P

I would recommend watching this episode to maybe learn a little bit more about snow driving, and especially getting out of a snow bog.
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