See also:

Emergency Tensioning Devices, belt force limiters
The front seat belts and the outer seat belts in the rear are equipped with ETDs and seat belt force limiters. The ETDs on the driver's and front-passenger seat consist of pyrotechnic belt buck ...

Ride, Handling
With an air suspension that can be adjusted to varying levels, the S550 rides with soothing composure. The BMW 7 Series is firmer, and the Jaguar XJ is downright stiff in comparison. It's even mor ...

M+S tires
At temperatures below 45 °F (+7 °C), use winter tires or all-season tires. Both types of tire are identified by the M+S marking. Only winter tires bearing the snowflake symbol in addition t ...