Do You Need to Press the Brake for One-Button Start?

2 Answers
DeValerie
07/28/25 10:33pm
One-button start requires pressing the brake to ignite and start the engine. When starting the engine, you must press the brake pedal. If the brake pedal is not pressed, the engine will not start. This is a safety design in cars to prevent accidental activation of the switch, which could cause the vehicle to suddenly move forward. When the vehicle is turned off, pressing and holding the one-button start for 3 seconds without stepping on the brake will only power the electrical system without starting the engine. For some models, you need to press the ignition switch twice. Cars with one-button start are usually automatic. During one-button start, the engine goes through a high-speed starting process. If the driver does not press the brake, it may cause the car to lurch forward unexpectedly, potentially leading to a rear-end collision. Cars equipped with a one-button start system allow the driver to start the engine simply by carrying the key into the vehicle. There is no need to insert or turn the key—just press the brake pedal and the start button to ignite the engine. The one-button start system was originally used in racing cars, enabling drivers to quickly start the engine and get into the race. Later, this system was adopted for civilian vehicles. In addition to pressing the brake, when starting a one-button start car, it is also important to ensure the gear is in the P (Park) position. If the gear is not in P, the car will not start. If pressing the one-button start does not elicit any response, it could be due to a dead key battery or interference from nearby sources. In such cases, bringing the smart key close to the one-button start button while pressing the brake and the start button may allow the car to start.
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MacCassandra
08/12/25 3:02am
In our driving process, one-button start is now a very popular feature, but it's essential to remember to press the brake pedal to start the engine. This is because vehicles are designed with safety measures to prevent unintended movement during startup, avoiding scratches or more severe accidents. As someone who has driven various cars, including SUVs and sedans, this step is always required—otherwise, the engine might not respond or warning lights may appear. Developing this habit not only protects yourself and others but also reduces the risk of mechanical failures, as every step is crucial in emergencies. During daily driving, I constantly remind myself to firmly press the brake before starting, ensuring a smooth and safe journey. Remember this little tip—it will make your trips more reassuring!
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