A modern car’s air conditioning system offers all kinds of benefits, from cooling and heating to pollen protection. However, in order for it to function properly, the AC needs regular maintenance. German technical inspection agency Tüv Süd recommends that you get your AC checked annually, regardless of how much you drive. An appointment with the workshop is particularly worthwhile in spring because mould can spread in the system over the winter. You can save money with special spring offers but be wary of deals that seem too good to be true, as those might only include a check of the air press…