What is the solution when a car key gets soaked in water?

2 Answers
MacBryce
09/01/25 5:33am
When a car key gets soaked in water, the solution is: 1. Stop using it immediately; 2. Wipe off the water on the surface of the key; 3. Use a screwdriver to open the key cover; 4. Remove the power source and clean the circuit board; 5. Dry the circuit board and reassemble it. The functions of a car key are: 1. Automatically close the windows after turning off the engine; 2. Easily locate the car in a parking lot; 3. Automatically open the trunk; 4. Remotely open the windows. Types of car keys: mechanical keys, remote keys, touchscreen LCD keys, and smart wristband keys. Precautions for their use: 1. Do not place them with electronic devices; 2. Avoid exposing the key to direct high-temperature environments; 3. Do not use batteries with different power levels.
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StRhett
09/13/25 8:16am
I've encountered a situation where car keys got wet, and quick action is crucial. Immediately remove the keys from the water and dry the surface with a clean towel or tissue. If the key is a smart type or has a battery cover, open it to remove the battery and prevent short-circuit damage to the circuitry. Then, find a paper cup, put some raw rice grains or a desiccant bag inside, and bury the key in it to absorb the remaining moisture. Place it in a ventilated area to dry for more than 24 hours. Avoid using a hairdryer with high heat, as it can easily damage the components. Once completely dry, reassemble the battery and test the unlocking function. If it doesn't work, internal components may be corroded, and you'll need to visit a professional 4S shop or repair center for inspection and repair. Preventive measures are important. I recommend keeping a spare key locked in a drawer for emergencies and avoiding exposure to rain or water sources in daily use. A simple and timely response can save you the cost and hassle of major repairs.
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