See also:

Keyless drive information messages
If all of the PCCs are removed from the vehicle while the engine is running or if the ignition is in mode II (see page 82) and all of the doors are closed, a message will appear in the instrumen ...

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. ...

Horn
Horn Press the steering wheel hub to sound the horn. ...