Series 4 Limited Slip and TTC

[#JB23]

We've just swapped our 595 comp C 180 for a new series 4 with performance pack..... It's great, but if it has a limited slip diff, why does it have a TTC button???   Does it even do anything?

First impressions after 30 miles are that it feels a fair bit better than the last one.

[AUCTEMERAC]

TTC on the old ones was sort of like changing traction control modes. Instead of cutting engine power, it would brake the spinning wheel. I'd imagine it does the same with an LSD, try it in the wet to see what happens.