Buick Regal: Immobilizer

 Coolant System Flushing

WARNING: In order to avoid personal injury, do not remove the cap or open the cooling system drains from a hot system. Allow the system to cool first. NOTE: Do not use a chemical flush. Store used coolant in the proper manner, such as in a used engine coolant holding tank. Do not pour used coolant

 Definition of Danger, Warning, Caution, and Note

The diagnosis and repair procedures in a GM Service Manual contain both general and specific Dangers, Warnings, Cautions, Notes or Importants. GM is dedicated to the presentation of service information that helps the technician to diagnose and repair the systems necessary for the proper operation