On certain passenger vehicles, a weld between the fuel tank inlet check valve and the fuel tank can fail.

If these parts separate, the driver may notice an odor of fuel, the service engine soon or check engine light may illuminate, and/or fuel may leak onto the ground. Fuel leakage in the presence of an ignition source could result in a fire.

Dealers will inspect the serial number of the fuel tank to see if it is on the list of affected tanks. If the serial number matches, the fuel tank will be replaced. Owner notification began November 11, 2003. Owners should contact Buick at 1-866-608-8080.

On certain sport utility vehicles, a structural support at the latch attachment in the rear liftgate may be inadequate to retain the latch to the liftgate in certain severe vehicle crash events.

If the liftgate were to open in a vehicle crash, an occupant could be ejected from the vehicle resulting in increased risk of personal injury.

Dealers will add structural reinforcements to the liftgate in the area adjoining the latch assembly. The manufacturer has not yet provided an owner notification schedule for this campaign. Owners should contact Buick at 1-866-608-8080. This is an expansion to a previous recall (03V211000).