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Where is the cigarette lighter fuse located in a 2018 Audi Q7?

4 Answers
DelRuby
09/06/25 3:16am
18-year-old Audi Q7 cigarette lighter fuse is located inside the cigarette lighter device. Information about the fuse is as follows: 1. Fuse: (fuse) is also known as a current fuse. 2. Function: When the current abnormally rises to a certain height and heat, the fuse can melt itself to cut off the current, thereby protecting the safe operation of the circuit. Information about the cigarette lighter is as follows: 1. Cigarette lighter: (car-cigarette-lighter) is a component found in all cars, used as a convenient fire source for car owners to light cigarettes when smoking. 2. Composition and usage: The cigarette lighter power supply is generally DC 12 volts (may vary depending on the model), with the central elastic head as the positive pole and the two side clips (ears) as the negative pole. It is directly connected to the car battery, with the same current and power as the battery.
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OPeyton
09/18/25 3:16am
I've dealt with numerous cigarette lighter issues on the Audi Q7 model. In the 2018 version, the cigarette lighter fuse is typically located in the fuse box under the dashboard on the driver's side. To be specific, you need to crouch in the driver's footwell and lift the left plastic cover to see an array of fuses. There should be a diagram indicating each position, with the cigarette lighter fuse mostly labeled as F45 or F34 area, depending on your vehicle configuration. I recommend first checking the fuse diagram in the vehicle manual to confirm the position number, otherwise, it's easy to remove the wrong one. If the cigarette lighter suddenly stops working, it's most likely due to a blown fuse, possibly caused by charger overload or a short circuit. When replacing, remember to turn off the engine and power, and use a fuse puller to gently remove and replace the fuse. Be careful not to overload the cigarette lighter socket, and during routine maintenance, you can periodically check the fuse status to avoid unexpected failures.
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Alan
11/01/25 3:41am
I have the same 2018 Audi Q7, and the cigarette lighter fuse is located in that small compartment in front of the driver's seat. I've opened it a few times: it's hidden above the left foot mat, under a rectangular cover. You'll need to bend down or squat to see it—there are dozens of fuses inside, labeled with numbers. The one for the cigarette lighter is usually in the far corner, labeled around F45, but it's best to double-check with the diagram in the user manual to avoid mistakes. Last time my cigarette lighter stopped working, it was because I used it too frequently to charge my phone, which blew the fuse. I just bought a pack of spare fuses and replaced it—simple and quick, but don't forget to turn off the engine for safety first. On another note, the cigarette lighter is quite useful in daily life—not just for lighting cigarettes but also for powering car devices. That's why the fuse is often overlooked but crucial. Preventive measures include avoiding high-power appliances in the socket to prevent overheating and potential wiring issues.
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SanLydia
12/15/25 3:50am
The cigarette lighter fuse in the 2018 Audi Q7 is quite easy to locate. It's positioned in the fuse box at the driver's side footwell area. Open the black cover, and you'll find a diagram on the box showing all numbered positions - the cigarette lighter fuse is typically labeled F45. I recommend immediately checking the owner's manual to verify the exact position as numbering may vary across models. When the cigarette lighter stops working, the fuse should be your first check - it might be blown or have poor contact. When replacing the fuse, handle it gently and ensure the power rating matches to prevent another blowout.
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