How to Replace the Key Battery for CS75?
3 Answers
Method for replacing the key battery of CS75: 1. Press the button on one side of the key and pull out the mechanical key; 2. Use the mechanical key to pry open the shell of the remote key; 3. Just pry open a small gap and then slowly open the entire key; 4. Flip over the shell with the blue circuit board, and after the circuit board falls out, you can see the battery behind it. Replace it with a new battery and reassemble the key. The CS75 is a compact SUV under Changan. In terms of body dimensions, its length, width, and height are 4650mm, 1850mm, and 1705mm respectively, with a wheelbase of 2700mm.
Replacing the CS75 key battery is quite simple. I've done it several times myself over years of driving. The CS75 key is the folding type, usually with a seam or small hole on the back. Just use a coin or small screwdriver to gently pry open the cover along the seam. Be careful not to use too much force, as the plastic can easily get damaged. Inside, there's a small button battery, which I remember is the CR2032 model. When removing the old battery, pay attention to the positive side facing up; align the new battery in the same direction when inserting it. After installation, press the cover firmly closed, then test the key buttons—if the red light comes on or the car unlocks, it's working fine. Key batteries typically last one to two years; if the buttons become sluggish, it's time for a replacement. I recommend buying original batteries from auto parts stores—they're affordable and reliable. Don't forget to check the key function during regular maintenance to avoid malfunctions on the road.
I was a bit nervous the first time I replaced the CS75 key battery, but the process is actually very safe. When I got the key, I noticed a small slot on the back. I used a coin to gently pry open the cover by aligning it with the slot edge. Inside the battery compartment was a coin cell battery, commonly a CR2032. After removing the old one, I made sure the new battery was placed with the positive side facing up and then pressed it in gently. Once the cover was closed, I tested the buttons to see if the light came on—if not, I double-checked the orientation. A weak key signal is usually a sign that the battery is running low. It’s a good idea to keep spare batteries on hand, which you can buy at supermarkets or online. Replacing the battery extends its lifespan significantly, and the whole process is simple and takes just a few minutes, avoiding any hassle while driving. Don’t overlook key safety—regularly replacing the battery ensures smooth locking and unlocking.
