How to Replace the Battery in an Audi A6 Key?

2 Answers
Briana
07/28/25 6:48pm
Audi A6 key battery replacement method is: 1. Carefully pry open the key cover plate with a tool and remove it; 2. Take out the old battery and install the new one with the plus-marked side facing down; 3. Reinstall the cover plate. Taking the 2020 Audi A6 as an example, it belongs to the mid-to-large-sized car category with body dimensions of: length 5038mm, width 1886mm, height 1475mm, wheelbase 3024mm, and fuel tank capacity 73l. The 2020 Audi A6 features a five-link independent front suspension and a five-link independent rear suspension. It is equipped with a 2.0L turbocharged engine delivering maximum horsepower of 190PS, maximum power of 140kW, maximum torque of 320Nm, paired with a 7-speed dual-clutch transmission.
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ReaganMarie
08/12/25 12:14am
I just replaced the battery in my Audi A6 key, and it's very convenient to use. The steps are simple: first, find a small flathead screwdriver or similar tool, locate a small gap on the side or back of the key, and gently pry it open to remove the cover. When removing the old battery, remember it's a CR2032 model, and don't lose the small clip inside. Insert the new battery with the positive side facing up—don't install it backward, or the key might not work. I recommend buying high-quality batteries to ensure longer usage and avoid having to replace them every six months. Be careful when reassembling to avoid damaging the plastic parts with excessive force. After each replacement, the key responds more sensitively, and you can save over 50 yuan in labor costs by not going to the dealership. Doing this kind of minor maintenance regularly can extend the key's lifespan.
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