See also:

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: • ...

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 ...

Unlocked Door Anti Lock Out
When on, this feature will keep the driver door from locking when the door is open. If off is selected, the Unlocked Door Anti Lock Out menu will be available and the door will lock as progr ...