1.It is difficult to start the vehicle, and require more than one attempt, which indicates insufficient starting power.
2.When the engine is not running, honk the horn several times—if the sound is obviously weak, the battery no longer holds a charge and needs to be replaced. With the engine off, turn on the headlights for 5 minutes—if the lights dim significantly from bright to dim, the battery has lost its charging capacity and should be replaced.
Tips:Please have the battery tested at a professional battery store.Generally, the service life of a car battery is 2-3 years. It is recommended to replace it within this period to ensure safe driving.