How to Replace the Battery in a Changan CS75 Car Key

3 Answers
VonEmery
07/29/25 10:29am
The method for replacing the battery in a Changan CS75 car key: First, use a flathead screwdriver or a similar tool to pry open the remote control casing. Then, remove the discharged remote transmitter battery. Place the new battery into the compartment with the positive side facing downward. After installing the battery, securely close the remote transmitter cover. The Changan CS75 is positioned as a compact SUV, with body dimensions of 4650mm in length, 1850mm in width, and 1705mm in height, and a wheelbase of 2700mm. The Changan CS75 is equipped with two engine options: a 1.5T and a 1.8T, with engine models JL476ZQCF and JL486ZQ2 respectively.
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Silas
08/13/25 2:39pm
I frequently replace my key fob battery, and the Changan CS75 key fob typically uses a CR2032 battery. Use a small flathead screwdriver to gently pry open the gap on the back cover of the key fob. Be steady to avoid cracking the plastic casing. Inside, you'll find a small round battery—carefully remove it, noting the position with the positive side facing down. Before inserting the new battery, clean the contacts to prevent oxidation and poor connectivity. When placing the new battery, align the positive side correctly, then press the cover gently until it snaps into place. After replacement, test the remote start function. If it doesn't work, check the battery orientation. The battery usually lasts about a year and a half, so it's a good idea to keep a few spares at home to avoid sudden failure. Avoid replacing the battery on humid days to prevent short-circuiting or damage. With these simple steps, your key fob will be as responsive as new again.
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LaJameson
10/07/25 5:18am
When I changed the battery for my Changan CS75 key for the first time, I bought a CR2032 battery from the supermarket. Gently pry open the back cover with a coin or plastic card, being careful not to break the clips. After opening the back cover, observe how the old battery is placed—usually with the positive side facing down. Align the new battery properly, place it flat, then close and press the cover firmly. The whole process took me five minutes, as I was worried about reversing the polarity and causing the remote to malfunction. It's advisable to take photos beforehand to note the battery's position, and beginners should operate in a safe environment for peace of mind. Batteries are inexpensive and easy to purchase, with frequent promotions on e-commerce platforms, so keeping a few at home is convenient. When the car key buttons become less responsive, it's a signal to change the battery—don't delay too long to avoid affecting car unlocking. Simple maintenance can save you the hassle of visiting a repair shop.
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