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:
Exterior
The 2003 Savana’s front end displays a new grille, bumper, fascia, hood and
fenders. GM’s designers sought to create a stronger family resemblance to other
members of the company’s truck fam ...
Battery
Refer to the replacement number on the original battery label when a new battery is needed.
WARNING
Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known ...
Roadside Assistance Program (U.S. and Canada)
For U.S.-purchased vehicles, call 1-888-881-3302; (Text Telephone (TTY): 1-888-889-2438).
For Canadian-purchased vehicles, call 1-800-268-6800.
Service is available 24 hours a day, 365 days a year.
...