
Here is the method to replace the of a Roewe 350 car key: 1. Pop open the key. 2. Use a small flathead screwdriver to rotate the screw located in the remote key storage slot to the ON position. 3. Gently pry the locking screw end of the remote battery seal cover with the screwdriver, then remove the remote battery and seal cover. 4. Use tweezers to take out the remote battery. 5. Install the new battery. Replacing the car key battery requires caution, as any mistake could damage the circuit board inside the key. Before replacement, the car owner should carefully review the battery replacement diagram. When disassembling the key, pay attention to the original positions of each component and try to choose an original battery. During installation, carefully identify the positive and negative terminals of the battery to avoid incorrect placement. Additionally, be mindful of the seal ring at the bottom of the key to prevent damage during replacement, as this could also lead to circuit board damage.

When I replaced the for my Roewe 350 key fob myself, I found it to be quite simple. There's a notch on the back of the key—just gently pry it open with a fingernail or small screwdriver to reveal the interior. The battery is a CR2032 coin type. Make sure to observe which side the positive pole of the old battery faces (usually the raised side) and insert the new battery in the same orientation. Never put it in backward, or the key may malfunction. I like to wipe the contact points with an alcohol swab first to ensure they're clean and conductive. After snapping the cover back on, press the car lock button to test if it works normally. Key fob batteries typically last 1-2 years. I bought a whole pack online for just 10 yuan—it's handy to keep a few spares at home. If the key slot is too tight, don't force it open to avoid damaging the plastic casing. The whole process takes less than 5 minutes, much easier and cheaper than visiting a repair shop.

Last year, my Roewe 350 key suddenly wouldn't lock the car, which scared me into thinking it was done for. Later, I found out the was dead and decided to try fixing it myself. The gap on the back of the key can be pried open with a fingernail, allowing you to remove the old CR2032 battery and replace it with a new one—just be careful not to put it in the wrong way. It worked on the first try! But experience taught me to buy batteries from reputable brands, as off-brand ones don’t last long and can make the buttons less responsive. The key has been working fine for over a year now, saving me the 30-yuan labor fee at the 4S shop. Since the replacement, there haven’t been any issues, and my routine maintenance now includes checking the battery voltage regularly.

Replacing the for a Roewe 350 key is quite simple. Locate the small groove on the back of the key, press with your fingers and pry it open to reveal the battery. Remove the old CR2032 battery and replace it with a new one of the same model, making sure not to reverse the polarity. Snap the cover back on and test the buttons to check functionality. The whole process takes less than 3 minutes and requires no tools. The battery costs just a few yuan at supermarkets, so don't waste money asking others for help.

A small operation to replace the key but with risks. As a cautious person, I always turn off the power before proceeding. When opening the Roewe 350 key, avoid using excessive force to prevent the slot from cracking and damaging the circuit board. Installing the battery in the wrong direction may cause a short circuit and damage the key chip, leading to higher costs. It is recommended to confirm the battery model is a genuine CR2032, which is available at hardware stores. If unsure, spending 20 yuan to have a professional technician handle it is safer. Replace the battery when its lifespan expires, don't wait until it fails to act.

Replacing the for the Roewe 350 key yourself saves a lot of money. I did the math: a single CR2032 battery costs about 2 yuan, and a 10-pack online is only 15 yuan, lasting several years. Just pry open the small slit on the back of the key to replace the battery—simple and no tools required. Compared to the 50 yuan charged by the 4S shop, doing it yourself saves 47 yuan and is faster. Just make sure not to put the battery in the wrong direction, and the key will work fine afterward. The money-saving tip is to stock up on batteries and check them regularly.


