Uhh, the same way almost every non-luxury car made between 1960 and 2010 did it? A dial each for temperature, fan speed, and where the air is blowing. Plus a button for air conditioning and/or recirculate. No touch screens, no menus.
People have been using cars without touch screens for 50+ years. The UX is a pretty much a solved problem by this point. Yet now car manufacturers seem to want to mess with something that worked great, just so their cars seem cutting-edge.
You do understand that there is more than just climate control that can be adjusted in a vehicle these days? There's navigation and direction finding, traffic alerts, radar proximity warnings from other traffic, radio and entertainment systems, telephony functions, systems monitoring and alerting for various components, current engine and transmission ststus, location data, environmental data...
People have been using cars without touch screens for 50+ years. The UX is a pretty much a solved problem by this point. Yet now car manufacturers seem to want to mess with something that worked great, just so their cars seem cutting-edge.