Vehicle Questions and Answers
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The horn on a 2012 Nissan Sentra is located under the car's hood. If it isn't working, you should check the fuse box. To access the fuse box in the hood, first pop open the hood and secure it. Look for a black box on the right-hand side of the engine compartment with a visible seam. Inside, you will find the fuses. The back of the box will have a diagram indicating which fuse is for what. If the diagram isn't there, you can refer to the car's owner's manual. Identify the faulty fuse by checking if the thin strip of metal connecting the two raised sections is intact. A broken strip means the fuse needs to be replaced. New fuses are inexpensive, costing around $10.
In the 2012 Nissan Sentra, you can find the horn positioned behind the front bumper.