Service light and ABS light on Volkswagen Touareg: In general, the serv warning light could be followed by one of the following 3 warning lights: the ABS warning light, the airbag warning light or the ESP warning light. The serv light is followed by another light on Volkswagen Touareg: If not when it is the only light activated on your Volkswagen Touareg, in this case it may be a connection issues and we will give you advice to fix it. To start when the servo indicator light is on continuously and it is accompanied by another seer, then indeed you should go at a garage and we'll explain why. However it is necessary not to confuse 2 types of situations. The indicator light used for service, aims to you alert you to go to your dealer.