The brake warning light can be illuminated due to low brake fluid, engaged parking brake, bad master cylinder or a defective proportioning valve.
Verify that the parking brake is in fully released position, brake fluid is at correct level.
Take a look at this article, it covers the typical issues:
The battery light comes on when the battery does not get charged properly by the alternator. Typically, it points to a bad alternator or a wiring issue from the alternator to the battery.
When the battery light gets triggered, a good first step would be to test the alternator output to the battery. It should be 13.6V to 15.2V with the engine running.
Here is a helpful guide:
Please let me know if you have any questions.
Image (Click to make bigger)
Friday, November 5th, 2021 AT 6:41 AM