See also:

When to Check and Change Lubricant
It is not necessary to regularly check front axle fluid unless a leak is suspected, or an unusual noise is heard. A fluid loss could indicate a problem. Have it inspected and repaired. ...

Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB&-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclopen ...

Interior
Depending on the configuration, Savana passenger vans can carry eight, 12 or 15 occupants. Cargo Vans seat a maximum of two people. Both Radio Data System technology and GM's OnStar communication ...