
The front cigarette lighter fuse of the Audi A6 is located on the side of the passenger compartment on the right side of the dashboard, while the rear cigarette lighter fuse is inside the toolbox in the trunk. The power voltage of the cigarette lighter is 12 volts, which is consistent with the vehicle's battery voltage. Typically, the cigarette lighter has a dedicated power line connected to it, separate from other circuits, hence it has its own fuse. Functions of the car cigarette lighter: Universal car charger: This is the most common use while driving. If electronic devices like mobile phones run out of battery during the ride, the cigarette lighter can be used to convert power and charge the phone promptly, ensuring uninterrupted use while driving. Although the car also has USB ports, the cigarette lighter provides 12V voltage, offering better charging performance. Inverter: Since the USB ports in cars usually provide 5V voltage, which is insufficient for high-power appliances, connecting an inverter to the cigarette lighter can provide 220V AC power, allowing normal use of higher-power appliances.

As a long-time Audi A6 owner, my experience tells me that the cigarette lighter fuse is usually located under the dashboard on the driver's side. Just reach out and you'll find a small cover. Open it, and you'll see labeled diagrams inside - the cigarette lighter fuse is mostly marked as 'cig lighter' or similar, with an amperage rating of about 15 to 20 amps. If it blows, it's easy to replace it yourself - just buy a new fuse and plug it in. Remember to turn off the engine and power before checking to avoid short-circuit hazards. Blown cigarette lighter fuses commonly occur due to using incorrect electrical devices that cause overload, so be careful when plugging in high-power equipment. Pay attention to the compatibility of in-car electrical appliances in daily use, and you can avoid frequent fuse replacements - it's a simple job.

When I encountered an issue with the cigarette lighter not working, I checked the manual and found that the Audi A6's fuse box is located in a small compartment under the steering wheel on the left side. You have to kneel down to open that little door, and among the densely packed fuses, look for the one marked with the cigarette lighter symbol. Last time, I replaced it with a 10-amp fuse myself, but it blew again, so I ended up using a 15-amp fuse, which finally worked. I suggest you first confirm if the fuse is really blown by using a multimeter to check the circuit continuity. Remember, don’t plug in high-current devices like vacuum cleaners, as they can easily cause overheating. Regular maintenance of the car's electrical system can save you a lot of trouble.

When repairing an Audi, I learned that the cigarette lighter fuse is hidden inside the trim panel near the driver's footwell. The small cover can be easily pried open. Look for the corresponding labeled position, usually marked as F20 or a similar location. Before inspection, disconnect the power supply, use tweezers to pull out the fuse and check if it's blown. Replacing it shouldn't take more than five minutes. Frequent burnouts are usually caused by electrical overload—for example, charging a phone may still work, but using a car fridge can easily cause issues.


