Why does the Haval H2 one-key start occasionally fail to start?

1 Answers
LeHarper
07/29/25 11:16am
Haval H2 one-key start occasionally fails to start for the following reasons: Smart key low battery: This situation is most likely due to the smart key's low battery, causing the start system to fail to detect the weak signal emitted by the key. Insufficient battery voltage, dead battery, or battery damage: Failure to start may be caused by a drained battery due to reasons like leaving the headlights on for a long time or the battery reaching the end of its lifespan. Replace the battery promptly according to the maintenance manual. Not shifting to P gear when parking: For automatic transmission vehicles, the gear must be in P or N position when starting. If it's in R or D gear, the car will fail to start.
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