CITROEN Grand C4 PICASSO Owner's Handbook Manual page 376

05 TRAFFIC
Diverting from a route
Press on Navigation to display the primary
page then go to the secondary page.
Select "Traffi c messages ".
Select "Diversion ".
Select the diversion distance by pressing + or -.
374
Select " Recalculate route". The route
will be modifi ed in time and distance.
Select " Confi rm".
The route may be diverted following the reception of a traffi c
information message.