I have been viewing a number of EX model Accords on Autotrader. Some but not all have additional switches at the bottom of the wheel. Can anyone advise what these are for please. This one has them for example http://www.autotrader.co.uk/classified/advert/201501160222772/sort/default/body-type/estate/radius/1501/maximum-mileage/up_to_70000_miles/postcode/ab345lg/page/1/onesearchad/used%2Cnearlynew%2Cnew/maximum-age/up_to_9_years_old/make/honda/usedcars/model/accord/price-to/7500?logcode=p