What are the reasons for the inability to turn off the engine with one-button start?
2 Answers
There are several reasons why the engine cannot be turned off with one-button start: 1. Different models, different operations: The operation varies among different car models. Some models require a long press to turn off the engine, while others need to be pressed twice—once to turn off the engine and again to cut off the power to the entire vehicle. Some models only require a single press to turn off the engine. 2. Key not detected: Sometimes, strong nearby magnetic fields can cause interference, preventing the key from being detected. Solution: Align the key with the one-button start. 3. Battery issues: The engine may also fail to turn off if the battery is dead or its voltage is below 12V. In such cases, a long press can turn off the engine.
I think the inability to turn off the engine with the one-touch start is mostly due to electronic system issues. A stuck button is the most common problem—like when I encountered a button soiled with dirt and couldn't press it down. Improper transmission position is another issue; if the car isn't in Park (P), the system will refuse to shut off, so always ensure you shift to the correct gear when parking. If the brake isn't pressed firmly enough, the sensor may not detect a safety signal, causing the system to hang. More severe cases, like a weak battery or control unit failure, can lead to signal loss and prevent the engine from shutting down. I recommend first lightly pressing the start button to check for sticking, then shifting to P and firmly pressing the brake again. If that doesn't work, consider temporarily disconnecting the battery or calling for repairs immediately to avoid risks like overheating or further damage. Regular maintenance, such as keeping the button clean and checking the system, can significantly reduce failure rates.
