Engine Oil Additives / Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Interior
The cabin utilizes premium materials, and there is an optional navigation
system.
The Regal has a sizable trunk that measures 14.3 cubic feet, and there is a
wide opening to both the cargo area ...
Service Parts Identification Label
This label, located either in the glove box or the trunk area, has the following information:
► Vehicle Identification Number (VIN).
► Model designation.
► Paint information.
...
What to Use
WARNING
Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will.
The coolant warning sy ...