This subtitle does not affect Title 17 of the Transportation Article. Neither this subtitle nor Title 17 of the Transportation Article prevents an insurer from issuing, selling, or delivering motor vehicle liability insurance policies that provide liability coverage in excess of the requirements of the Maryland Vehicle Law. This subtitle does not prohibit an insurer from providing benefits for Christian Science care and treatment. Expenses for Christian Science care and treatment constitute economic loss for purposes of this subtitle. This subtitle does not affect the right of a person to claim and sue for damages or losses that the person sustains as the result of a motor vehicle accident.