There are several methods you can use to change the route destination.
Center Vent
NOTE: Take care not to scratch the dashboard or its related parts.
Remove these items:
Audio unit, without navigation system
('9-11 models)
Audio unit, with ...
Rocker Arm Assembly Removal
Remove the cylinder head cover.
Loosen the rocker arm adjusting screws (A).
Unscrew the rocker shaft mounting bolts two turns at a time in the
sequence shown.
...
Safe Driving
...