my Ford Mustang S550 (2015-2023) dashboard warning lights are on what should I do

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the engine is off.
• Disconnect the battery for safety.

2. Address Faulty Codes

• Sub-step 1: Using the OBD-II scanner, retrieve and note down the error codes displayed.
• Sub-step 2: Research each code to determine the corresponding issues.
• Sub-step 3: Clear the codes after noting them and see if any reappear during the next diagnostic drive.

3. Inspect and Repair Electrical Components

• Sub-step 1: Check battery voltage using a multimeter; it should be around 12.6 volts or higher.
• Sub-step 2: Clean battery terminals and connections if corrosion is present.
• Sub-step 3: Replace the battery if it is below 12.4 volts after charging.

4. Fluid Checks and Replenishment

• Sub-step 1: Check and replenish engine oil if low; use Ford-recommended oil specification.
• Sub-step 2: Inspect and refill coolant if necessary; ensure proper mixture of water and antifreeze.
• Sub-step 3: Inspect brake fluid and top off if below the minimum level; replace if contaminated.

5. Test Drive

• Sub-step 1: Reconnect the battery and start the engine.
• Sub-step 2: Observe the dashboard for any warning lights that may illuminate or remain on.
• Sub-step 3: Take the vehicle for a test drive to ensure all systems function correctly.