(a) An attorney shall:
(1) promptly inform the client of any decision or circumstance with respect to which the client's informed consent, as defined in Rule 19-301.0 (f) (1.0), is required by these Rules;
(2) keep the client reasonably informed about the status of the matter;
(3) promptly comply with reasonable requests for information; and
(4) consult with the client about any relevant limitation on the attorney's conduct when the attorney knows that the client expects assistance not permitted by the Maryland Attorneys' Rules of Professional Conduct or other law.
(b) An attorney shall explain a matter to the extent reasonably necessary to permit the client to make informed decisions regarding the representation.