Almost crash ESP out?

Moin, last Friday I was in the “Exit Snail” of the parking lot, in which my company parking places are, with my Phaeton speedy, but absolutely not brutally driven over a ground wave and got next to the acoustic warning signal “Ping” in the MFA the message “Achtung Fahrwerk – Werkstatt” indicated. However, since the message disappeared after a few seconds and I noticed nothing negatively when driving in the city center traffic, I first did not drive into the workshop, in which my Phaeton is already almost at home (btw. I reported that now also the horn was broken?). Yesterday now I visited with my wife in the country a Christmas concert and on the return trip at approx. 10 °C outside temperature, light rain and with VW original winter tyres in a long right turn of the highway drive at speed 60 – 70 km/h almost “flowed off”. After all the Phaeton started to slide over all four wheels to the corner side – so from the highway – I was able to prevent Eimmerhaes from being able to stop the routinely in the way. I had to keep my control.