The new Bip&Go service extension is made for you!
If you travel rarely: by default, €2.50/month of use* in addition to your subscription in France. (€0 for months when you do not travel to Spain)
If you travel often: €10/year* in addition to your subscription in France.
*Prices with all taxes included effective on 01/06/2016, with electronic billing only.
If you do not with to use your Bip&Go badge in Spain, simply remove it from your windscreen and place it in the aluminium pouch which you received upon subscribing.
Doing this will make the badge impossible to detect.
Electronic toll payment works the same way on Spanish and French motorways. It uses the Via T system.