Buick Regal: Diagnostic Information and Procedures

 Head Restraints

If equipped with base seats, the vehicle's front seats have adjustable head restraints in the outboard seating positions. If equipped with GS Model seats, the vehicle's front seats have head restraints in the outboard seating positions that cannot be adjusted. Warning: With head restraints that are

 Antilock Brake System (ABS)

This vehicle has an Antilock Brake System (ABS), an advanced electronic braking system that helps prevent a braking skid. When the vehicle begins to drive away, ABS checks itself. A momentary motor or clicking noise may be heard while this test is going on, and it may even be noticed that the brak