
The reasons for no response when starting may include insufficient car battery power, issues with the starter and its circuits, or damage to the ignition switch below the keyhole. Additional information: Categories: Based on different power sources, car engines can be classified into diesel engines, gasoline engines, electric vehicle motors, and hybrids, etc. Common gasoline and diesel engines are both reciprocating piston-type internal combustion engines, which convert the chemical energy of fuel into the mechanical energy of piston movement and output power externally. Gasoline Engine: Gasoline engines have high rotational speeds, are lightweight, produce less noise, are easy to start, and have low manufacturing costs; diesel engines have a high compression ratio, high thermal efficiency, and better economic and emission performance than gasoline engines. A four-stroke gasoline engine mixes air and gasoline in a certain proportion to form a good mixture, which is drawn into the cylinder during the intake stroke, compressed, ignited, and burned to generate thermal energy.

I encountered the same issue with my BYD not starting a few days ago. The most common cause is actually a dead battery, possibly due to the car sitting idle for too long or cold weather accelerating battery aging. That time, my car had been parked in the garage for two weeks, and when I turned the key, there was no sound at all. The dashboard lights were still bright, but the engine just wouldn't start. I used jumper cables connected to another car's battery, and it started right up, proving the battery was the problem. Other possibilities include a faulty ignition switch or a malfunctioning starter motor. BYD cars have more complex electronic systems, so a blown fuse could also interrupt the current. For models with push-button start, weak key fob batteries might fail to send the signal. It's advisable to always turn off in-car devices to save power, regularly check the battery voltage, and perform maintenance checks every six months to extend battery life. If the car doesn't start on the first try, immediately attempt a jump-start. If that doesn't work, don't force it—head to a 4S shop for inspection to avoid potential hazards on the road.

Sometimes my BYD doesn't respond when starting, which I think is most panic-inducing for beginners. Battery drain is a common issue, especially with frequent short trips in winter. That time when I turned the key and the dashboard lights suddenly dimmed, later tests showed the battery had reached its lifespan. For push-button start vehicles, also check if the key fob battery is dead or near interference sources. Hearing a clicking sound during ignition without engine turnover often means the starter motor is gone. For DIY troubleshooting, first check the fuse box for blown fuses - don't randomly disconnect wires if you're unsure. I've learned my lesson and now test the battery every three months, always turning off headlights and radio to save power when parked. BYD's electronic anti-theft system might accidentally trigger and lock the ignition - a simple solution is to reset the ECU unit. Finding a reliable repair shop won't cost too much and gives peace of mind.

When a BYD vehicle fails to start, first check the battery issue. If jump-starting doesn't work, seek professional repair. Safety comes first—park properly. Regular maintenance prevents problems, saving money and hassle. Possible causes include a dead battery, starter motor failure, ignition switch malfunction, or key chip failure. Short circuits or open circuits pose high risks—immediately turn on hazard lights and pull over. Try jump-starting from another vehicle; if unsuccessful, call for a tow truck and have it inspected at a shop. Replace parts as needed. Proper maintenance frequency can extend battery life to three to five years. Regularly inspect wiring for safe driving.


