There are several reasons an A/C system can lose its cool. Bring your ride to us as soon as you start noticing this symptom, it could mean the difference between needing a small repair, or worse, a large one. Here’s what can cause your cold air to lose its cool. Leaks can be devastating. When an A/C system develops a leak, you have what’s called an “open system.” If you or your technician discovers the leak early, your repair will be less expensive. Team Volkswagen of Hayward has professional auto air conditioning repair specialists who can help you improve your car's air conditioning. For more information, visit https://www.vwhayward.com/.