You should be aware that the varying colour lights displayed via your dashboard symbols communicate the severity of an issue within the car. There are five colour lights that can appear on your dashboard, namely red, amber, blue, white or green. Red is the most urgent warning and relates to something which must be addressed immediately as it will have serious implications regarding the safety of your car. Certain red warning lights refer to safety issues which can be resolved straight away, such as putting on your seatbelt or shutting a door, but others relate to something significantly more severe, such as an engine fault. Amber lights are advisory, such as the oil being low, and signal a potential problem if not dealt with fairly promptly. Blue, green and white lights usually signify that a system in the car is switched on, such as the air con or your headlights.