Please give us a call so we can provide optimal assistance with the adjustment.

Telephone number (from Switzerland): 00800 873 873 00 ​

Telephone number (from abroad): +41 43 284 62 47​

Our service hours are: Monday - Thursday 8:00 a.m. - 6:00 p.m.; Friday 8:00 a.m. – 5:00 p.m.