How to determine if this bulb is suitable for my vehicle? 1. Use Amazon filter system (Note the "Note:" prompt content). 2. Check the owner's manual or stock bulbs. 3. Search online for "bulb size finder". 4. Send us an email to help you check and confirm. Is it necessary to modify the housing when installing the bulb? No, these bulbs are designed to be mini-sized and plug-and-play, just like the original bulbs. No modifications are required. Do these bulbs need a decoder to prevent flickering or dashboard errors? Our bulb comes with a built-in driver and is compatible with 99% of car computer systems. However, current technology cannot ensure that 100% of vehicles will not encounter decoding issues. Send us an email to get additional decoders. Will the bulbs cause glare for oncoming drivers? Absolutely not. Termitor LED bulbs are designed with a 1:1 beam pattern to mimic halogen bulbs. The beam is focused with a clear cutoff line, illuminating the front without causing glare for oncoming drivers. Will the fan make noise? Wouldn't it be better not to install a fan? No, it won't have any impact on your driving. LEDs are sensitive to high temperatures, so a fan is needed to dissipate heat and increase their lifespan. Therefore, LED bulbs without fans on the market indicate lower power and lower brightness. Who's FAHREN? We are a company specializing in automotive lighting products and have been established for over 8 years with cumulative sales of 8,000,000 units. Who's TERMITOR? TERMITOR is our high-end line launched 3 years ago, equipped with the highest-end materials and the most advanced technology. With TERMITOR, we want you to experience a unique sensation. Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store