The compatibility of the Daylight 9 LED daytime running light with the Toyota iQ is not explicitly stated in the available Philips compatibility lists or product information. The product is universally mountable and compatible with modern vehicles, including hybrid, electric and start-stop systems, but there is no specific confirmation for the Toyota iQ. For safe use, compatibility should be checked against the vehicle and lamp specifications or enquire directly with Philips or a specialist retailer.