You can now purchase for around $100 a device that will continuously scan your car for information that can help you save money.
These new devices capture your cars sensor data using your vehicles onboard diagnostic port (OBD II).
This is available on cars built from 1996 on.
These devices turn vehicle information into a resource to help you easily understand a check-engine light, adjust insurance rates, and add emergency response services.
There are many available, I have linked one below for you to review but make sure to check Amazon for all available choices.