why is the warning light for the brakes on my Volkswagen Golf Eighth Generation (2020-present) on

Solution

1. Preparation

• Gather necessary tools and materials.
• Park the vehicle on a flat surface and engage the parking brake.
• Disconnect the battery to ensure safety while working on electrical components.

2. Check and Refill Brake Fluid

• Locate the brake fluid reservoir (usually found near the back of the engine bay).
• Remove the cap and check the fluid level. If low, add appropriate brake fluid (DOT 3 or DOT 4 as specified in the owner’s manual).
• Replace the cap securely.

3. Inspect Brake Pads and Rotors

• Lift the vehicle using a jack and secure it with jack stands.
• Remove the wheel to access the brake components.
• Inspect the brake pads for thickness. Replace if worn below 3mm.
• Check the brake rotors for scoring or warping; replace if necessary.
• Reassemble the wheel, ensuring proper torque specifications (usually around 80-100 Nm).

4. Check Brake Lines and Components

• Examine brake lines for any signs of leaks, cracks, or corrosion.
• Inspect the brake calipers for proper operation and leaks around seals.
• Replace any damaged components as found during the inspection.

5. Test and Reset System

• Reconnect the battery.
• Start the vehicle and check if the brake warning light remains illuminated.
• If the light is still on, use an OBD-II scanner to clear any fault codes and see if they return.