Lexus ls 400 brakes locked up in front?

If the front brakes of a Lexus LS 400 are locked up, it could be due to several issues, such as a malfunctioning brake caliper, a stuck brake line, or a failing master cylinder. It's important to inspect the brake components for any visible damage or wear. Additionally, check the brake fluid level and ensure there are no air bubbles in the brake lines. If the problem persists, it's advisable to consult a professional mechanic for a thorough diagnosis and repair.