How to Solve the Issue of Crown Not Detecting the Key?
2 Answers
Here are the solutions for when the Crown cannot detect the key: 1. Antenna Aging: The time control module in the remote key may malfunction, or the antenna of the car's remote transmitter may age, leading to the remote key not working. Replace or repair the control module. 2. Dead Battery: If the car key battery is dead or the car battery is depleted, this issue may also occur. Simply replace the car key battery. 3. Circuit Short Circuit: If the car key was previously soaked in water, it may cause a short circuit in the key's circuitry. Repair the circuitry inside the key.
I also felt a headache when I encountered the Crown key sensing issue, probably related to my usual lack of attention to maintenance like many others. The most common reason is a depleted key battery. I suggest first checking if the battery model is CR2032—many cars experience reduced battery power after a few years, and replacing it with a new one should solve the problem. If the issue persists after replacing the battery, there might be signal interference nearby, such as placing the key near a phone or metal objects, which can disrupt wireless signals. Try changing the location or using a spare key. Another possibility is a faulty sensing module—for example, a dirty or loose door handle sensor. Clean the connector with a cotton swab. If the problem still isn’t resolved, remember to visit a professional repair shop for inspection instead of tampering with it yourself to avoid damaging the circuits. In daily use, avoid placing the key near strong magnetic fields, such as charging stations in parking lots, and regular maintenance can help prevent issues.
