【 IMPORTANT NOTE 1 】 Make sure A4 series H11 led bulb is the right bulb you need. Amazon fitment system may not be 100% accurate. With projector or no projector may be use different model bulb. You can search automotivebulbfinder with brand/model/year by browser to find the accurate bulb model. Or check with Manual or contact us.
【 NOTE 2 】 If A4 H11 led bulb no light/ error/ flickering/ turn on-off/ DRL & Radio interference, etc, it is canbus issues, a few of Chrysler/Jeep /Dodge/GMC, please contact us before return, we will offer more powerful canbu decoder. Or you can try our A8 series H11 led bulb.
【 PLUG & PLAY with 300% BRIGHTER 】 10000LM/ 70W/ 6000K, 300% brighter than halogen bulbs; H8/H9 smaller body fits most cars (99% vehicles), no damage Freightliner/Impala headlight cover. You can finish it in ten minutes, safer driving in overcast/ fog/ rain/ snow etc.
【 BETTER PATTERN 】 H11 led light conversion kit have 12pcs CSP chips and the thinnest 2MM Tube, ensure perfect high/low beam pattern without any dark spots or shadowed areas, no blind oncoming drivers or passerby.
【 SUPER LONG LIFESPAN with HEAT KILLER 】 Two-way dissipation (quiet turbo cooling fan and special aviation aluminum body), 50000 hours lifespan，even longer than your car. 3 years warranty and lifetime support. Buy with confidence, your satisfy or money back.