Does turning off radio save battery?
Does turning off radio save battery? New cars are more powerful, and won't have a problem starting the engine and radio at the same time. If your car radio keeps playing when you turn the engine off, you will save a bit of battery power by switching the radio off before turning off the ignition, though it won't make a huge difference. What to do if your radio battery is draining? Pull the dash (it is a quick snap out) Pull the mounting screws for the radio and unplug it. let the truck sit for the three days and see...