Shimmy: Vibration in the front end caused by misaligned front end, out of balance tyres or worn out suspension components.

Shim: Spacers of precise, predetermined thickness used between parts to establish a proper working relationship.

Shape memory alloys/polymers: Smart materials which remember their original shape and can return to it.

Set back: A condition in which one wheel on an axle is in front of or behind the other wheel in relation to the chassis…

Servo brakes: These are the brakes wherein the driver's effort in applying the brake sin supplemented by some mechanism.

Servo: A system for multiplying the driver's effort. The common examples are the brake servo, power steering, etc.

Self-supporting tyre: A type of run-flat tyre in which the deflated tyre can continue to run at a lower speed, due to the reinforcement of…

Self-aligning torque: A torque which is created by the tyre when the vehicle experiences a side-thrust, as during cornering.

Scrub radius: The distance from the point where the steering axis meets the ground to the longitudinal line passing through the middle of the contact…

Saloon: A car with two or four doors, a single compartment with two rows of seats, one at the front and the other at the…

Roll angle: The angle through which vehicle body turns about its longitudinal axis while negotiating a corner.

Roll: Turning of a vehicle about its longitudinal axis.

Road isolation: The ability of a vehicle to absorb or isolate road shocks sum the passenger compartment.

Road holding: The degree to which a vehicle maintains contact with the road surface in various types of directional changes, e.g., dip, squat, cornering, etc.,…

Ride: Qualitative ability of a vehicle to provide a smooth, comfortable drive on a bumpy road.