What's the french song in this commercial?

I'm afraid i don't have a link to the commercial - but it consists of
a young lady driving along the country side. Her car rides parralel to
one driven by an old sort of man. The french song is playing in the
background.

They stop at a signal. The old man looks at her with interest

The lady looks back, and she's her engagement ring

Old man mouths "Oh, i see" (or something like that)

Signal turns green, they both speed ahead

Lady pulls up the reclined seat on her left, and her fiance or
whatever appear

Old man pulls up the reclined chair, and a young man chewing on gum
appears.

Then the ad gives some info about how their cars have fully reclinable
seats.

Does anyone know the name of the french song in this ad?