Repair the ABS system so it functions.
Bring to a shop that has an ABS scanner to determine problem or clear codes
Fix the problem causing them to be on.
Yes, the 2002 Malibu has an ABS system with sensors at all four wheels.
the ABS light indicates a problem in in Abs system, a brake light indicates a problem with main braking system. such as low fluid level, leaks in system, parking brake on etc. Abs system works in conjunction to brake system. but abs system is not the main or basic braking system.
some do and some don't, it was an option.
the amber ABS light indicates a problem with the ABS system, not the main braking system. but the main braking system is working.
The ABS light is on because the ABS module detects a problem with the ABS system. Until the problem is fixed correctly the light will remain on. Once the problem is fixed the ABS module will clear the light itself. Your local auto parts store can scan for codes to determine what the problem is then you can make repairs accordingly.
problem with the abs, get it fixed
2000 Malibu has one on left dash fuse box and one on right end of dash panel.
Your normal brake system is fine but your anti-lock brake system has a problem. They are two distinct and different systems. You may or may not have a functioning ABS. Have your ABS checked by a professional. Not a DIY repair.
if the abs light is on then its means you have an issue with your anti lock brake system