Personally I'd suggest using the rail system for getting about in France, as it is quite hard to find parking space in town centres and sometimes it's hard to get into the centre from the suburbs, especially if you haven't got a satnav!

If you decide to travel by car, www.viamichelin.fr is very helpful not only for the minutiae of journey planning, but also for advice as regards timings, petrol consumption and toll charges.

I would suggest using the HOHO bus service or a half or full day tour from Paris Travel Service as a good introduction to the city, and also a boat trip which gives you a whole new perspective of the busy inner city. If you like going up things, the Eiffel Tower and the Arc de Triomphe are the old favourites, but I strongly suggest going up the Arche de la Défense and the Montparnasse Tower too. The Montparnasse Tower does have an open roof terrace, but it also has a spectacular glassed in storey so you don't get wet, and a reasonably priced café and good loos too!

If you'd like details of a nice day out - or better an overnight stay - in Strasbourg, please pm me and I'll be happy to make suggestions.