Use automotive/Marine grade “Non-abrasive” cleaners & waxes with a soft cloth. Avoid products with ammonia, caustic harsh cleaners and rubbing compounds. Avoid high-pressure washers, rotating brushes, etc. around graphics or painted areas. Do not “dry wipe” surfaces. https://youtu.be/O_Oc1amxVec?list=PLCMrvBGaOplpkvlu_zIsW-YZdR_qelvxo