See also:

Engine Oil Additives
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all you will need for good performance and engine protection. ...

When the Light Is On Steady
This indicates that one or more of the tires are significantly underinflated. A Driver Information Center (DIC) tire pressure message may also display. See Vehicle Messages  for more informati ...

Driving at Night
Night driving is more dangerous than day driving because some drivers are likely to be impaired—by alcohol or drugs, with night vision problems, or by fatigue. Night driving tips include: • ...