One blown bulb or fuse could cause this problem.
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Flasher relay.
The turn signal flasher is located under the left hand of the instrument panel, right of the steering column.
In the fuse box the round silver flasher.
It is combined with the hazard flasher module
Turn signal flasher is located above the steering column, some models flasher is clipped on to the underside of dash to the left side of column
One flasher in in or under the glove Box! the other in on the fuse box. in Most cars!
Usually a bad turn signal flasher
THE TURN SIGNAL FLASHER IS LOCATED: FRONT SEATING AREA, DRIVER SIDE, DRIVER SIDE OF STEERING COLUMN, BEHIND DASH, MOUNTED ON LOWER RIGHT CORNER OF FUSE BLOCK.
there's 2 warning and turn signals warning under the dash driver side on the passenger side of the steering column. you will have to remove two screw on a cover to get at it turning signal flasher is above the emerg brake petal on the side. both parts are the same.
most likely in the engine compartment fuse oanel most likely its a relay
leftof steering column behind i/p