See also:

Power brakes function only when theengine is running
The power brakes utilize vacuum pressure which is only created when the engine is running. Never let the vehicle roll to a stop with the engine switched off. If the power brakes are not workin ...

Volvo's recommendations
Why does Volvo believe that no child should sit in the front seat of a car? It's quite simple really. A front airbag is a very powerful device designed, by law, to help protect an adult. Because ...

Automatic Locking Retractor/Emergency Locking Retractor (ALR/ELR)
To make child seat installation easier, each seat belt (except for the driver's belt) is equipped with a locking mechanism to help keep the seat belt taut. When attaching the seat belt to a child ...