The 1994 Buick LeSabre Limited slowed down when its optional traction - control system became active.The system automatically cut back on engine power and gently applied anti-lock brakes, thus indicating that I had
hit a
patch of
icy road during a test drive along the Chesapeake Bay in Maryland.It was a good early warning signal that allowed the driver to take corrective action and avoid disaster.Background: For several years, the LeSabre has been America's best - selling full - size car, which is puzzling.