Hello,
It appears there are several possible issues.
Let's try to break it down.
First of all, the battery light stays illuminated when the alternator is unable to charge the battery. I could be because of a faulty alternator or bad wiring.
If you have the same battery light issue and the battery is going bad, then the issue could be the wiring.
It is possible to have moisture get into a connector and corroded that. Which can impact the way the alternator charges or not charges the battery.
Inspect the battery cable, look for any corrosion. Make sure it is secured.
https://www.2carpros.com/articles/how-to-check-a-car-alternator
As for the ABS light and Airbag light, they get triggered when the system detects any issue within those respective systems.
This could be due to a bad sensor, wiring or a module.
A good first step would be to scan the vehicle and retrieve the codes. That can help point to the right direction of what might be the cause.
Here is a helpful video on how to retrieve the ABS codes:
https://youtu.be/rTtAnsOlZU4
https://www.2carpros.com/articles/abs-warning-light-on-easy-repair-guide
Another one for Airbag codes:
https://youtu.be/gnSGfEqrf_w
Please let me know if you have any questions.
Thank you.
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Tuesday, January 11th, 2022 AT 9:17 PM