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Why does a car with one-button start fail to start?

2 Answers

OTheo

07/23/25 11:58pm

The reasons why a car with one-button start fails to start: The smart key battery is dead, making it difficult for the in-car sensor to detect; the gear is not in P position; the steering wheel is locked; the battery voltage is insufficient or damaged; the car is out of fuel; the engine start system is faulty. Below are the specific details about the one-button start function: 1. Emergency braking function: During driving, if there is a need for emergency stopping and engine shutdown, pressing the start button more than three times consecutively can immediately shut down the engine and complete the braking; or, if the car suddenly stalls during driving, the one-button start can also be used by shifting to N gear and pressing the one-button start to restart the engine. However, it is important to note not to press the brake pedal during the entire process. 2. Automatic power-off: If the engine is turned off but the power is forgotten to be cut off, the one-button start can protect the vehicle's system. When the vehicle is stationary for ten minutes, the system will automatically cut off the power to prevent battery drain and to protect the battery.

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LeAlexis

08/10/25 7:46pm

I recently encountered a situation where the one-touch start wouldn't ignite the engine. The most common reason is that the remote control battery in the key is dead. That small battery can deplete over time, causing the car to fail to detect the signal, so pressing the start button gets no response. It could also be due to insufficient car battery power, especially in older vehicles or after prolonged inactivity, as battery aging can prevent startup. Another factor might be the vehicle's anti-theft system being activated, such as when the key is too far away or there's an obstruction interfering with the signal. In an emergency, try using a spare key or starting the car closer to the steering wheel. If that still doesn't work, you'll need to visit a 4S shop to check the circuit. Regularly maintaining the battery can prevent travel delays. Although one-touch start is convenient, battery issues are often overlooked. Regularly replacing the key battery can help avoid trouble.

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