I haven't had any issues, but my focus is the autox car so it doesn't see more than 5K miles in a year, and doesn't see snow ever. I did driver 300 spirited miles to the tail of the dragon and back, raining the whole time, never had a problem.
Parking Lot Hero
2008 WRX daily driver
2003 ZX3 23D Autox Car 42 FSP
"Hella Functional - Raced, Not Hard Parked"