Attention 1. Applicable to Most Auto Car Vehicle Automobile, but it is not fit for Audi, BMW, Mercedes, Porsche, Volkswagen or domestic vehicles. 2. Compatible for 95% of vehicle with CANBUS System for fog lights or turn signal lights and ensure the LED bulbs light up full power without malfunction issue nor flickering issue Solving Problems 1. The indicator of the instrument panel lights when the headlight is used as Fault Light. 2. The indicator of the instrument panel does not light when the headlight is used as High Beam. 3. The LED head lights flash when starting the engine. 4. The engine stops working when turning on the LED head lights. Error warning 1. LED head lights do not light. 2. LED head lights keep flashing after installation. 3. One of the LED head lights, but the other one does not light. 4. LED head lights automatically turn off after lighting up for few minutes.

http://olla.gr/2-pcs-h11-h8-h9-h16-5202-car-auto-led-headlight-canbus-warning-error-free-decoder-adapter-for-dc-9-16v-20w-40w/