Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil.
The recommended oils with the dexos specification and displaying the dexos certification mark 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:
Door Ajar Messages
DRIVER DOOR OPEN
This message displays when the
driver door is not closed completely.
Close the door completely.
HOOD OPEN
This message displays when the
hood is not closed completely.
Make s ...
Transportation Options
Warranty service can generally
be completed while you wait.
However, if you are unable to
wait, GM helps to minimize
inconvenience by providing several
transportation options. Depending
on ...
Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL engine coolant. This
coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000
mi), whichever occurs first.
The fol ...