Check the fuses on the car, or the signal bulbs.
More then likely it needs to be replaced, if its the actual signal inside the car, turn it on check outside the car which one it is and replace!!
The right side will have a burnt out/ missing light bulb.
right side out
More than likely you have a burnt out bulb at the front signal light, rear signal light, or brake light on the right side.
Inside: acute angled triangleOn: right angled triangle Outside: obtuse angled triangle.
Did you check if the bulb is ok? Normally if a bulb is burned out the speed of the indicator inside the car increases significantly.
change the flasher
could be a bad ground
Check the bulbs. A failed bulb can often cause the signal to stop working on that side.
At a guess, because of an infection. Is the pain inside or outside?
Either there is a wire lose or the flasher relay is not working right or lose in its socket.
most likely the turn signal flasher, located under the steering column to the right.