There are several signs that your Nissan tail lights may be malfunctioning or need to be replaced. Here are a few things to look out for:
Tail lights not turning on: If you notice that your Nissan's tail lights are not turning on when you turn on your headlights, it is likely that there is a malfunction with the tail lights or the wiring.
Dim or flickering lights: If the tail lights are dim or flickering, this could indicate a problem with the wiring or a faulty bulb.
Cracks or damage to the lens: Physical damage to the tail light lens can cause moisture to seep in, leading to corrosion or a short circuit.
Dashboard indicator lights: Many modern vehicles, including Nissans, have a warning light on the dashboard that will alert you if there is an issue with the tail lights.
Getting pulled over by law enforcement: If a police officer pulls you over and informs you that your tail lights are out, you should have them inspected and potentially replaced.
If you notice any of these signs, it is important to have your Nissan's tail lights inspected by a qualified mechanic or take it to a Nissan dealership for repairs or replacements. Driving with malfunctioning tail lights can be dangerous, and can result in an accident or a traffic violation.