Breadcrumbs Home › A/C Pro® Videos A/C Pro® Videos Watch guided How-To videos and learn about the latest A/C Pro® products. Click on any video below or head to the A/C Pro® YouTube channel for more. How Cold Should Your Vehicle’s A/C Be? Is My A/C Recharge Gauge Broken? Answering Questions About Your Car’s A/C: Part 1 Answering Questions About Your Car’s A/C: Part 2 How to Use R-1234yf Super Seal What’s the difference between R-134a and R-1234yf? Why does a car’s air conditioning stop working? How to use refills for the recharge process How to use A/C Pro® All-In-One Stop Leak The new A/C Pro® app for your phone! R-1234yf How-To A/C Pro® Digital Gauge Tutorial: How to recharge your car with A/C Pro® Hybrid and EV compatible A/C Pro® products Which A/C Pro® kit is right for you? How to use A/C Pro® Vent & Duct Cleaner How to Recharge with an A/C Pro® Advanced Digital Gauge Ever wonder what’s inside a can of A/C Pro®? How A/C Pro® Super Seal Stop Leak Works How to utilize UV Dye to find a leak in your system How to Recharge with A/C Pro® A/C Pro® Super Seal A/C Pro® gauge diagnostics A/C Pro® additives A/C Pro® self-sealing valve Recharge your car’s A/C in minutes Everyone’s a pro with A/C Pro® How to use the A/C Pro® gauge