<P> The color of emergency vehicle lighting is blue . Vehicles using flashing blue lights and siren have right of way over all other vehicles . Only designated emergency / priority vehicles may use blue lights; this includes police, fire brigade, ambulance service and a few other, smaller services such as the blood bank and some lifeguard organizations . Dutch police vehicles have an LED matrix display, which can show different texts in red lighting . Most often used are STOP POLITIE (ordering a driver to pull over and stop) or VOLGEN POLITIE (ordering driver to follow the police vehicle). Standard Dutch police cars often have the text bar incorporated in the light bar, vans and motorcycles usually have a separate sign on the front of the vehicle . On ambulances, a green beacon indicates the command vehicle when multiple units are responding to an incident - usually this is the first vehicle that arrives on the scene . Newer ambulance models also have a text display that will alternate the words' Ambulance' and' Spoed' (' urgent'). When ever the vehicles are on scene (usually fire brigade vehicles and some police vans), or staying in place for an other reason, they need to switch to amber lighting to signal that they are not moving . </P> <P> Emergency services in Norway use only blue lighting . If a blue flashing light is seen in either traffic or the sea, other vehicles must yield to let that vehicle pass . Blue flashing lights are used by police, military police, customs, fire departments, rescue services, and ambulances . Government, VIP, and embassy vehicles may also use blue if accompanied by local police . Any vehicle equipped with a blue flashing light must have a permission issued by the DMV . The operator of such vehicle must be a qualified emergency vehicle operator and have a' code 160' endorsement on their driver's license . Blue lights can be used alone or with an additional siren . The siren may not be used alone . The operator of an emergency vehicle may disregard speed limits and traffic lights with caution . Amber lights, however, are not regulated, but are used for any vehicle that need special attention, such as tow - trucks, snow plows, and parking enforcement . Red flashing lights are no longer in use, and were last used in the early 1960s . </P> <P> Only designated vehicles (such as Police, Fire Service, Ambulances, Internal Affairs, etc .) are permitted to use blue light . The sale of a blue emergency light is permitted, however, the possession of such a light in vehicles (whether turned on or off, visible or not) is strictly illegal . Red lights are used by the first and last vehicle of a convoy of designated vehicles and also are strictly regulated . Amber lights are seeing increasing popularity in recent years, however, specific uses are designated according to the Polish' Kodeks Drogowy' . There are no specific rules governing the use of other colors such as purple, green, or clear lights . </P> <P> The three emergency lights used in Romania are red, blue and amber . At a red flashing light, bringing the vehicle to a full stop is compulsory, while for a blue light yielding, slowing down and moving out of the way is compulsory, and an amber light means other traffic vehicles must proceed with caution due to an oversized or slow vehicle . </P>

Where is the emergency lights in a car