The 1999 Buick Century has 5 recalls, the most serious being an ABS motor that can short-circuit and generate enough heat to melt a nearby plastic fuel hose, creating a risk of fire under the hood.
The remaining recalls cluster around exterior lighting. The headlamp vertical aiming device may not be calibrated correctly, meaning the beams can point in the wrong direction and reduce how far ahead the driver can see at night, raising the risk of a crash. A separate lighting issue affects how well the headlights illuminate overhead signs, such as highway exit markers, when driving after dark. Reduced illumination in that range makes it harder to read signs in time to react. These two lighting concerns address different aspects of nighttime visibility but both affect the driver's ability to see clearly on the road.