Inclusion Criteria:  Adults with type 2 diabetes as diagnosed by endocrinologist No insulin over past 3 months Inadequate glycemic control with A1c ≥8.0% at or within 1 month prior to screening visit No history of diabetic ketoacidosis (DKA) or severe hypoglycemia leading to mental status change in the past 6 months Willingness and ability to follow the protocol including willingness to commence basal insulin, wear CGM, and communicate with healthcare provider.  Exclusion Criteria:  Contraindication to use of insulin glargine (e.g., allergy) Impaired recognition of hypoglycemia by the participant (as judged by the investigator)