NEVER use aggressive cleaning agents such as glass cleaners, all-purpose cleaners, abrasives or washing-up liquid. Also, never use alcohol-containing cleaning agents.
Only use cleaning agents that are approved by the manufacturer. Acrylic glass polish (ref. no. 9600000128), special polishing cloth (ref. no. 9600000130) and acrylic glass cleaning agent (ref no. 9600000129) or the cleaning set (item no. 9600000132).