Phil,
Be very careful on the roundabouts and when merging onto motorways. The blind spots can be very dangerous as we found out to our cost. I really would advise taking a mate to look out for the traffic you won't be able to see. Otherwise, drive during the hours of darkness so you can see the road being lit up by oncoming unseen traffic. Be cautious in the extreme. :)

My Father gave me some advice which I was very glad of on a couple of occasions whist on the national roads - Don't let your tank get less than half full. I'm glad I listened. I sometimes found it was long distances before I could fill up. Also, carrefore supermarkets are usually cheap for fuel and most towns have them well signposted. sometimes you need cash, sometimes you need a bank card for the machine in order to pre-pay. Again, some petrol stations will only take French cards and many require you to go to the paydesk and leave your card with them prior to filling up. Hence the reason for not letting your tank drop below half.

John.