Your light set will be guaranteed against failure due to defective materials or workmanship for the period specified. Please check fuses and any cable connectors or switch boxes first. Please note that the guarantee does not include items subject to "wear and tear" such as lamps, o-rings coloured lenses or washers. Please follow the instructions provided. The guarantee does not cover damage caused by accidents, misuse, neglect or lack of maintenance. Please keep your invoice / receipt and your instruction manual in a safe place.