Removal and Installation of the Sealant Canister
To remove the sealant canister:

1. Remove the plastic cover.
2. Unscrew the connector (B) from the canister (A).
3. Pull up on the canister (A) to remove it.
4. Replace with a new canister which is available from your dealer.
5. Push the new canister into place.
6. Screw the connector (B) to the canister (A).
7. Slide the plastic cover back on.
See also:
Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and
viscosity grade. See Recommended Fluids and Lubricants .
Specification
Use and ask for licensed engine oils with the ...
Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors.
Call 1-800-521-7300, or write:
Buick Customer Assistance Center P.O. Box 33136 Detroit, M ...
Recommended Fluids andLubricants
Fluids and lubricants identified below by name,
part number, or specification may be obtained from
your dealer.
...
