LinkStyle [Upgraded H11(H8 H9) LED Headlight Bulbs with Decoder, 6000K 7200 lumen IP68 Waterproof Car LED Headlamp All-In-One Conversion Kit Cool White High Low Bean 2pcs-2 Year Warranty

"Frequently asked question:1.What size of headlight bulb should i use?Please search on goole with Philips Automotive Bulb Look-up. 2.Why i need canbus error free headlight bulb?When we install some bulb , its will cause error message .That's beause those LED consumption power is too low and the car system think the bulb has no power. But canbus bulb can fix those problem.3.Why its still throw an error when i use error free headlight bulb?1. Take out the LED bulb and replace it with the stock bulb, turn on the vehicle, and confirm if the error message is cleared.2. Turn off the vehicle and re-install the LED bulbs (make sure it is the correct side of polarity or else the vehicle will record the error message again). If the LED bulb is installed, but the polarity is incorrect, you will have to start the troubleshoot again from step one (1). 3. Close all the doors (trunk and hood if open as well), lock the vehicle, and wait 10-15 seconds. After this period, start up the car and turn on the lights to check for the error message.PLEASE NOTE - A small number of Canbus equipped cars are very sensitive and still generate an error code with LED CANbus bulbs.Contact us via email:amazon_us@wowparts.com"