how to reset the engine light on my Volvo XC90

Solution

1. Preparation

• Gather all necessary tools and parts.
• Ensure the vehicle is parked on a flat surface with the engine off and keys removed.
• Disconnect the negative battery terminal to reset the engine light.

2. OBD-II Scanner Use

1. Connect the OBD-II scanner to the vehicle's diagnostic port, usually located under the dashboard.
2. Turn the ignition key to the "On" position without starting the engine.
3. Follow the scanner's instructions to retrieve and note any error codes present.

3. Clear Error Codes

1. Using the OBD-II scanner, navigate to the option to clear or reset error codes.
2. Confirm the selection and wait for the scanner to complete the process.
3. Disconnect the scanner from the diagnostic port.

4. Reconnect Battery Terminal

1. Reconnect the negative battery terminal securely.
2. Start the engine and allow it to idle to ensure the check engine light is off.