Functioning turn signals is crucial even if you just need to do a quick drive to a nearby friend or grocery store. It’s the only way to let others know that you’re turning the car. Most importantly, it is required by law. The case of “my turn signals work sometimes” is a common occurrence but nothing to stress about; and before you think of going to your mechanic to have it fixed, check if you can determine the cause of the issue and try to do a quick fix yourself. Here are some reasons why it won’t work and how to fix it.