The Drive Smart campaign, which will run on TV, radio, cinema and internet, features a series of larger-than-life grans
, who unexpectedly appear while their grandsons are driving, and put the young men firmly in their place.
She also has two grans
and two great grannies - but it could have been a different story as Katie was very ill when she was born and needed a blood transfusion.
are in high demand by a baby-sitting agency looking to provide evening and weekend respite for parents .
"Leah is aware of all her grans
and she loves having them all around.
According to a survey by Yours magazine, grannyhood today equals happiness with eight out of 10 British grans
saying they are happy.
These include glamour grans
such as Honor Blackman who ditch the 1940s era of 'rocking-chair gran
' in favour of a more stylish image.
According to a national survey, grans
have never had it so good.
Young at heart grans
in the North are the most likely to have played on a Playstation, (50%, UK average 45%), and to watch programmes such as Pop Idol with their grandchildren.
Whether it is quite so bully for the grans
themselves is at least debatable.
She was surrounded by men who missed their own grans
and her homespun message proved popular with voters.
Both great great grans
, great gran
and mother are all alive and well.