How to replace the battery of Changan CS75 car key?

2 Answers
LaBrianna
07/29/25 5:36am
Method to replace the battery of Changan CS75 car key: First, use a flat-head screwdriver or a similar tool to pry open the remote control shell, then remove the discharged remote transmitter battery. Place the new battery with the positive side facing down into the slot. After installing the battery, cover the remote transmitter lid. The Changan CS75 is a compact SUV with body dimensions of 4650mm in length, 1850mm in width, and 1705mm in height, and a wheelbase of 2700mm. In terms of appearance, the Changan CS75 features uniquely flattened dual rectangular front headlights, resembling a pair of sharp eyes, which enhances its focused and imposing demeanor, making the entire vehicle appear bold and full of passion. The full and refined body is paired with a simple and smooth waistline design, with inclined and robust lines extending to the rear, giving the elegant body a dynamic posture full of tension, ready to ignite passion at a touch.
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LeEdward
08/12/25 9:09am
As a car owner, I've changed the battery for my Changan CS75 key fob several times, and it's actually quite simple. All you need is a CR2032 coin cell battery and a small screwdriver or coin. First, locate the small gap on the side of the key, carefully pry open the casing without using excessive force to avoid damaging the plastic. Then remove the old battery, making sure to place the new battery with the positive side facing up. Close the cover and press the key to test the lock/unlock functions. The whole process takes just two minutes and can save you dozens of yuan in repair fees—it's quite satisfying to DIY. The battery typically needs replacement every two years or so; don't wait until it's completely dead. It's wise to keep a spare battery in your car just in case, so you won't be stranded if the key fob fails while you're out.
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