The adjuster screws for the headlamp reflector aiming do not function properly, which can impair driver visibility. Buick will provide updated instructions to vehicle owners regarding headlamp aiming.
The seat belt buckles may not have been properly heat-treated during the manufacturing process. This may cause the buckles not to function correctly during a collision, which may cause injury. Dealers will replace the seat belt buckles.
The rear wheel spindles may loosen because the bolt heads that secure the spindles may separate. This may cause the rear wheels to shift, causing loss of vehicle control. Dealers will replace the rear wheel spindle bolts.
The fuel filler hose may leak where it clamps to the metal fill tube. This can cause a fuel leak, which can lead to a fire. Dealers will inspect the fuel hose fill clamp, and reposition and re-secure it as necessary.
The anti-lock brake system hydraulic control unit (HCU) may leak brake fluid. A brake fluid leak may compromise braking ability, which could result in an accident. Dealers will inspect and replace the HCU if necessary.
The inner tie rod nuts may be loose. This may cause detachment of the steering linkage and a loss of steering control. Dealers will inspect and secure the tie rod nuts. Dealers will also check and adjust the toe setting of the wheel alignment.
The brake pedal to pedal assembly attachment nuts may be loose, which can cause a low brake pedal and a compromised brake system operation. Dealers will replace any missing brake booster to brake pedal assembly nuts and tighten all four nuts to the specified torque.