What are the reasons why a sedan won't start?

[LeTyler]

The reasons why a sedan won't start are: 1. Insufficient battery power or a dead battery; 2. Incorrect gear position - generally, automatic transmission models can only be started when shifted to P (Park) position; 3. The steering wheel is locked - if the steering wheel isn't straightened, the key won't turn, and the car naturally won't start; 4. Weak key battery - if the key fault indicator on the dashboard is lit, it means the key battery is low. When using the car, it's necessary to warm up the engine first. After starting the car, wait 30 seconds to one minute before driving, but avoid high-speed driving during this period. Maintain low speed for about 3 to 5 minutes, generally keeping the RPM below 2000. Only after the engine temperature rises to normal operating temperature should you resume normal driving.