Will leaving your FM transmitter plugged into cigarette lighter while the car is off do anything. it hurt or ruin battery?

It is generally safe to leave your FM transmitter plugged into your car's cigarette lighter while the car is off. However, it is important to note that your car's battery will continue to power the FM transmitter, even when the car is turned off. This means that if you leave the FM transmitter plugged in for an extended period of time, it could potentially drain your battery.

To be safe, it's best to unplug your FM transmitter when you are not using it. This will help to preserve your car's battery and extend its lifespan.

Here are a few additional tips for using FM transmitters:

* Do not use an FM transmitter if your car's cigarette lighter is not working properly.

* Be sure to check your FM transmitter is properly inserted into the cigarette lighter.

* Do not overload your car's cigarette lighter with multiple devices.

* Unplug your FM transmitter when you are finished using it.