Volvo: text message, bulb failure, lighting system

Question
bulb failure  position light , this shows up in the text message window. checked all lights ,everything looks good. help please,

Answer
Grant,
If there is not a burnt out bulb, then the problem is in the lighting system. You will need to read the codes of the Drivers Information Module to start. However look carefully at the rear parking lights. There should be two bulbs on each side rear.