not just for wheel spin matey, if your booting it round corners it comes onas it detects wheel spin on the inside wheels with the least weight on, which can cause you to crash
my cars a 1.8 sport and ive got the traction control button, not just GSi's!!!!
You can pull away faster in dry conditions with TC off, so long as you have skill, as you can drip the clutch to reduce power at the wheel by just the right ammount. Wheras TC will just cut the power by like 40% or something daft as it makes sure that wheel spin is eliminated.
However, in the wet you are probably better leaving it turned on. Else you might try to pull onto a roundabout and find your tyres are sherdding and your gap is closing fast while you're still only half out of your junction. With TC on your pullaway wont be as fast as if you didnt spin the tyres, but at least it will ensure that you do move forward and so are less likely to find a car in your drivers door.
I leave it turned on most of the time as batting round roundabouts too fast the TC helps prevent understeering.
You would also use the TC set to off whilst driving in really heavy snow and ice.
If you left it switched on, you would be able to sit stationary and rev the engine as much as you wanted - each time the wheels would spin, the Tc would cut the revs, and you would go nowhere.
(can get a similar effect on wet grass)
0-60 in 6.5 secs and 48mpg- winner!
If I had a TC buttn I could see myself posting on here that i've written my car off, it could come in handy though for those quick pull aways I have to do in the morning out of the drive. Car usually makes itt to the middle of the road and the looses power
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All valid point smade, but the real reason is that it lights up prettily when your side lights are on =]
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Good last point! I'll go with that!!! Cheers for the replies. Would have answered sooner, only computer been bust!!