How to Use Car Cigarette Lighter Accessories

Updated March 23, 2017

Most cars are equipped with cigarette lighters that serve a dual purpose--to light a cigarette and power various types of accessories while you are driving. Like the other accessories in your car, the lighter gets its power from the car battery, so make sure that your battery is strong enough to power and start the vehicle.

Make sure that your accessory is equipped with a cigarette lighter adaptor. This is a circular, bulb-shaped unit that has a metallic pin on the end. Common accessories that have these adaptors include radar detectors, cell phone chargers, MP3 players and GPS devices.

Remove the burner unit or cap (comes standard in most cars) and plug the accessory's adaptor into the lighter.

Start up the car. You may also be able to simply put the ignition into "Accessories" mode as well in some vehicles to send power to the lighter.

Turn on the accessory and use it as needed. If it's a cell phone charger, plug the other side of the cord into your hand-held device. Keep in mind that when you turn off the car and remove the keys from the ignition, the accessory will switch off automatically, so save any settings on the device first.


If the accessory doesn't power on, rotate the plug. If you need to use more than one cigarette lighter-powered accessory in your car at once, you can purchase a splitter device. If you plug your accessory into the cigarette lighter and the unit does not work, there could be a problem with the fuse that controls your lighter. In this case, visit your local auto parts shop or car dealer to purchase a new fuse.

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Louise Balle has been writing Web articles since 2004, covering everything from business promotion to topics on beauty. Her work can be found on various websites. She has a small-business background and experience as a layout and graphics designer for Web and book projects.