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What are the reasons why the driver's door is unlocked but cannot be opened?

1 Answers

VonAlina

07/29/25 9:58pm

There may be several reasons why the driver's door is unlocked but cannot be opened: 1. Water in the door handle sensing area: The vehicle door handle uses a capacitive sensor, and the capacitive noise generated by water interferes with the capacitive detection of the door handle antenna, causing the antenna to enter a self-protection mode, reducing the sensitivity of unlocking and locking, and in severe cases, temporarily disabling the unlocking and locking function. 2. Snow and ice weather: Heavy snow, water, or ice attached to the door handle unlocking area during snow and ice weather can reduce the sensitivity of unlocking and locking. 3. Continuous impact of raindrops on the door handle during rain: Under the impact of rain, the capacitive sensor of the door handle continuously detects changes in capacitance. To avoid false triggering, the door handle antenna enters a rain mode, where the locking sensing time is extended, and the sensitivity of unlocking and locking is reduced. 4. Electromagnetic interference or shielding: Radio communication can be affected by co-channel interference and shielding effects. If an interference source is present, it can disrupt the normal communication between the remote key and the antenna. 5. Obstruction of the sensing area: Installing decorative devices on the door handle, having an overly small opening in the sensing area, or excessively thick decorative parts can prevent the finger from fully covering the sensing area, leading to the failure of the unlocking and locking function.

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