What are the common failure cases for Roewe 550 failing to start?

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Roewe 550 failing to start failure cases include: 1. Incorrect gear position: For automatic transmission vehicles, the gear must be in P or N position when starting. If placed in R or D position, the engine won't start. 2. Dead battery: This could be caused by prolonged headlight use without turning off or battery lifespan expiration. Generally, it's recommended to replace the battery every 2 years. Additionally, installing xenon headlights or high-power audio systems may also cause vehicle circuit failures. 3. Spark plug failure: The most common first check is the vehicle's spark plugs, as they are critical components in the ignition system. The ignition system is key to whether the vehicle's 'heart' works or not, so the proper functioning of spark plugs directly affects the vehicle's performance and efficiency.