1997 Ford Aerostar Owner's Manual - Page 114

Dual locking mode retractors operate in two ways: Vehicle sensitive (emergency) locking mode In this operating mode, the shoulder belt retractor will allow the occupant freedom of movement, locking tight only on hard braking, hard cornering or impacts of approximately 5 mph (8 km/h) or more. The retractor can also be made to lock by pulling the belt out quickly. Automatic locking mode In this operating mode, the shoulder belt retractor will be automatically locked and will remain locked when the combination lap/shoulder safety belt is buckled, and does not allow the occupant freedom of movement. This mode provides the following: u A tight lap/shoulder belt on the occupant. u Child safety seat installation. This mode must be used when installing a child safety seat on the front passenger seat and rear outboard seats where dual locking retractors are provided. To switch the retractor from the emergency locking mode to the automatic locking mode, perform the following steps: 1. 2. Buckle the lap/shoulder combination belt. Grasp the shoulder portion of the belt and pull downward until all of the belt is extracted and, when allowed to retract, a clicking sound is heard. At this time, the belt retractor is in the automatic locking mode (child restraint mode). 112