See also:

Power brakes function only when the engine 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 working, ...

Children should be seated safely
Volvo recommends the proper use of restraint systems for all occupants including children. Remember that, regardless of age and size, a child should always be properly restrained in a vehicle. ...

Dynamic Stability Traction Control(DSTC)
The stability system consists of a number of functions designed help reduce wheel spin, counteract skidding, and to generally help improve directional stability. NOTE A pulsating sound will be au ...