Q :How To Test auto led bulb of  Reverse Lights All By Yourself
A: auto led bulb of reverse lights are important safety features. They illuminate the scene when you're backing up, which is important, but they also warn pedestrians and other drivers that you are about to back up. This is probably even more important than lighting the way for you. It's important to be sure your reverse lights are functioning. Some states require they be working in order to pass inspection, others do not. Yours should be working regardless of the legality.
 
So you need to test Auto led bulb of reverse lights, but you don't have a helper around to let you know if they are coming on. It's daylight so you can't tell by looking in your rear view mirror. What do you do? The answer is simple, but many people don't know their car works this way.
 

To test your reverse lights, Auto led bulb of reverse lights the ignition key to the "ON" position, the spot where all of the Auto led bulb of reverse lights come on but before you start it. Now put the transmission in reverse. If you have an automatic transmission, you might have to press the brake to release the shifter (a safety setting). Once you have the car in reverse, and theAuto led bulb of reverse lights is on, you can get out of the car and have a look at the rear end. If you see two bright lights staring at you, all is well.