How to replace the battery in an Audi Q3 car key?

2 Answers
JoannaDella
07/24/25 10:28am
Audi Q3 car key battery replacement method: First, turn the key sideways. There are gaps on the sides of the key. Insert a flathead screwdriver into the gap and pry it open. Then, move the screwdriver along the gap to both sides, gradually expanding the gap until the entire back cover can be lifted. Use your hands to pry it open and remove the back cover. Take out the old battery, then insert the new battery into the car remote key and reassemble it. The Audi Q3 is an SUV based on the same PQ35 platform as the Volkswagen Tiguan. The dimensions of this car are 4385 mm in length, 1831 mm in width, 1608 mm in height, with a wheelbase of 2603 mm.
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VanRachel
08/11/25 5:34am
I've changed the battery for my Audi Q3 key many times, it's super easy. First, find a small flathead tool or even a coin will do. There's a thin slit on the back of the key, gently pry it open to remove the back cover. Be careful not to use too much force to avoid scratches. The battery inside is a CR2032 model. When removing the old battery, remember the positive and negative orientation, then install the new battery the same way. After closing the cover, press the unlock button a few times to test if it works. The whole process takes less than 5 minutes, saving both money and hassle. I suggest keeping this type of battery at home; you can buy it for a few bucks at an electronics store or supermarket. The key lasts a long time, and regular replacement can prevent it from failing unexpectedly. Make sure your work surface is clean to avoid losing small parts. It feels great to do it yourself.
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