A few tips based on previous discussions:Ensure your car has fuelCheck the voltage on your battery (some car stereos indicate or some fast phone chargers while they're connected to the charger socket)You can also tell if the battery is low if the car makes a sound as if it is about to start then fails (this can also be caused by other issues)Ensure your battery terminals are properly connected (not loose) and are not corrodedIf the voltage is low (11.7V and lower), try to jump-start the car (using another car or jump-starter kit)If the voltage is okay (11.8V and h...