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These high-power LED bulbs have several utilities on a vehicle. They are used for turn signals, back-up lights and emergency lights. The bulbs may show and a message will appear on your dashboard. In this case, we have a solution. You just have to install a resistor for each bulb or a decoder (depending on the vehicle model).
The LED bulbs (3157) are sold in pairs.
Turn signals are a very important system on a car, because they allow motorists, cyclists and pedestrians to plan the maneuvers of cars. Some cars have side turn signals, which are located on the side of the car so that the displacements are visible to other drivers. The side indicators are small and sometimes forgotten, they are very useful and should not be overlooked.