Remove negative first.
The battery light on a Toyota Matrix may stay on due to several reasons, including a failing battery, a malfunctioning alternator, or issues with the electrical system. It could also indicate a loose or corroded battery connection. If the light remains on after starting the vehicle, it's advisable to have the battery and charging system checked to prevent further electrical problems or potential breakdowns.
To reset the battery light on a RAV4 after replacing the battery, you typically need to disconnect the negative terminal of the battery for about 10-15 minutes. Reconnect the terminal, ensuring a secure connection, and then start the vehicle. The battery light should turn off if the replacement was successful and there are no other underlying issues. If the light remains on, it may indicate a different problem that needs further investigation.
The red battery dashboard warning light in a 2008 VW Jetta indicates a potential issue with the vehicle's charging system. This could mean that the battery is not charging properly, often due to a faulty alternator, battery, or electrical connection. It's important to address this warning promptly, as it may lead to the vehicle losing power or not starting. If the light comes on, it's advisable to have the system checked by a professional as soon as possible.
alternator is not charging battery, or loose - corroded connection on battery cables
A few causes that will make the Battery Light come on are: 1. Faulty Battery 2. Loose Battery Connection 3. Battery is not Charging, ie. Faulty Alternator
To reset the battery light on a Scion tC, first, ensure that the battery and charging system are functioning properly. If everything is in order, disconnect the negative terminal of the battery for about 10 minutes to reset the vehicle's computer. Reconnect the terminal, start the car, and check if the battery light has turned off. If the light remains on, it may indicate an underlying issue with the charging system or battery that needs further inspection.
Do any of your lights work ? If not , it sounds like a bad battery cable connection or a dead battery The light all works the battery cable and connection or ok, it is a auto matt,
You might have a bad battery, a poor connection between the battery and alternator, or a bad ground from the battery.
poor battery cable connection , or dead battery ( I'm assuming that even your underhood light does not light when the hood is opened fully )
To indicate to you that it may need charging, replacing, or a loose connection.
its the alternator if the car is running with a battery light on. but check fuses first
because when you connect the both end of the battery to the same battery terminal, it is called a parallel connection, therefore when it's parallel connection the ampere rating of the battery increases, so it's enough that would able to light up the bulb,. .hope my answer would help,. hehehe^_^