Can a Car Start Without the Key?

1 Answers
DeMorgan
07/29/25 9:39pm
Without the key, a car cannot start. The push-button start or rotary knob can only activate when it detects the presence of the smart key. Below are the specific details about the push-button start function: 1. Emergency Braking Function: During driving, if there is a need for an immediate stop or engine shutdown, pressing the start button three or more times in succession with a push-button start-equipped vehicle can urgently shut down the engine to complete braking. Alternatively, if the vehicle suddenly stalls while driving, the push-button start can also be used. Simply shift to neutral (N) and press the push-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 Cutoff: If the engine is turned off but the power is forgotten, the push-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, also serving to protect the battery.
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