Because you have a blown bulb. Or you need to check the rear light cluster plugs, take them off and open the little flap (you'll see it) and get a fine point and push the wire connectors a little closer together be sure not to break them , then reassemble.
Fast blinking indicators usually indicates a bad relay. Check fuses and relays, and clean contacts if possible.
It will do some internal damage ie bent valves being the main one. Hi I'm just half we through taken a head of a megane 1.4 coupe that had timing belt snapped. It will also cause damage to pistons as well, the amount of damage will be on how fast you was going when it let go but it will have cause damage though. If it has bent valves you may need to check the valve guides as well.
Not very
I would start with replacing the signal flasher relay.
156 mph
light bulb is about to go
You most likely have a turn indicator light that has burnt out
144 kmph
A speedometer tells you how fast you are going in a car.
Going Down Fast was created in 1969.
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your signal light is burned out. The rear signal lights burn out quite quickly and the fast flashing is an indicator you need to replace them.