Citroen use the shaker waker.
Estate cars usually fall into one of two categories. Either they are smallish and attractive but more lifestyle than useful, or they are true loadluggers.
Few estates, or tourers as some are now called, successfully bridge the gap.
The Citroen C5 Estate, however, is one of them. It's also an accepted fact in the car industry that if you are trying to sell a family estate car you cannot go far wrong if you emphasise how safe it is.
Pointing out its leading edge technical gizmos, fancy spoilers and expensive audio/satnav systems will get you so far ( but it's better to hit the prospective customer where they are most vulnerable and make them feel that by not buying your estate they are somehow putting the lives of their nearest and dearest on the line.
So the main news about the revamped Citroen C5 Estate isn't really the fact they've snazzed it up with a host of comfort features, revised the suspension, improved the ride comfort or revised the instrument layout. It's that the C5 is still the only car that will wake you up if you nod off at the wheel.
That's what I call safety. Citroen call it the Lane Departure Warning System. Sensors under the bumper "read" the white lines on the road and if they detect you drifting across them at speed, they cause the driver's seat to vibrate.
That should be enough to waken you up, although I suppose that depends on the depth of sleep!
In addition to stopping you, potentially, from undesirable contact with the central reservation, the system also serves to correct your bad driving habits.
The C5 comes with a thumping great boot ( 563 litres of space with all seats in place, 1,658 litres with them folded.
Standard kit includes xenon directional headlamps, front and rear parking sensors, cruise control with speed limiters, automatic ride height adjustment, seven airbags, traction control and ABS with electronic brakeforce distribution and emergency brake assistance.