SAFETY CATCH: Describes the secondary latch that is usually located under the front edge of the bonnet, designed to prevent accidental release of the bonnet if the central cable-operated hood lock is erroneously activated.
SAG: Describes a vehicle frame designed to bend under pressure in the event of a front or rear-end collision. The structure is designed to sag in the middle, similar to a hammock.
SCUTTLE SECTION: Describes the sub-assembly of a body shell, taking in the bulkhead, scuttle, and windscreen pillars, often preassembled during the production process and spot-welded with the other sub-assemblies to form the body shell.
SCUTTLE SIDE PANEL: Describes a vertical panel situated at either end of the scuttle.
SEATING CAPACITY: Describes the number of people for which a car is designed to seat legally.
SEAT WELL: Describes a sheet metal panel used to cover up the area below the car seats, particularly below the rear seat bench.
SEPARATE CHASSIS: Describes the traditional body and frame design in everyday use previous before the introduction of unitary construction in which the vehicle body was lowered onto the chassis and bolted to it.
SHEDDER DRIP MOULDING: Describes a method of applying a metal strip spot-welded below the roof drip rail to deflect rainwater away from the door seal.
SHELF PANEL: Describes a steel panel fitted horizontally behind the rear seat backrest of a notchback sedan to support the plastic or foam moulding that makes up the back shelf.
SHUTLINES: Describes a line in a vehicle where two body parts cross over.
SIDE BUMPER PANELS: Describes the extensive plastic body side mouldings attached to the lower body sides that protect the underbody against road debris, salt corrosion, and light mechanical impact.
SIDE IMPACT BAR: Describes a reinforcing beam in car doors designed to withstand side impact.
SIDE MEMBER: Describes the box section that runs from the length of the vehicle that reinforces both sides of the floor pan,
SIDE PANEL: Describes the quarter panel between the B-pillar and the rear.
SILL: Describes a member of a car body shell that runs the length of the body.
SILL COVER: Describes a part covering the sill on its entire length, used on vehicles with a separate chassis and on unitary designs.
SPLASH PANEL: Describes a vertical closing panel mounted inside the wheel arch to protect these areas from the intrusion of splash water and road dirt.
SPRING BAR: Describes the additional bar situated between the main bar and the rear window in a five-bar convertible roof mechanism.
STONE DEFLECTOR: Describes a separate panel fitted on the leading edge of the rear bumper that will provide a level of protection from rocks and dirt when a vehicle is driven off-road.
STRESSED BODY: Describes a type of vehicle body designed so that the outer body panels share a proportion of the total stresses in the entire structure frame some of the load from the vehicle's frame.
SUICIDE DOORS: Describes a style of front and back door combination popular in the pre-war years. Both sets of doors have their hinge toward the back of the vehicle, creating an increased possibility of a passenger falling or jumping out of the vehicle when it is moving at high speed.
TAILGATE: Describes the rear opening on station wagons and SUVs.
TARGA TOP: Describes the rigid, removable roof section between the windshield and Targa bar found in Porsche tourers.
T-JOINT: Describes a joint formed by placing one metal against another at an angle of 90 degrees.
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