I never have to be honest. I just adjust my driving to suit the conditions, especially increasing the gap between myself and the vehicle in front.
A minimum 2 seconds in the dry and 4 seconds in the wet.
Only a fool breaks the 2 seconds rule!
Topcat Tomcat (aka Conductorwomble)
1990 216 GSi Auto 5 Door
1995 214 Si 3 Door - White Gold
1998 VVC Coupe - Tahiti Blue/Red Piccadilly & Leather
2001 1.8 Connie 45 4 Door - Wedgewood Blue
2004 75 CDTi Connie - Firefrost