The activation of this (amber yellow) "warning" indicates that the hands free system has detected that the battery that permits the active key (a) to communicate and turn the vehicle on is almost discharged.
Note
In this case replace as soon as possible the battery as indicated in sect. 6 - 8 "Replacing the battery in the active key".


Hands free key (hf) not recognised
High engine coolant temperatureRemoval of the control unit
Loosen the screws (1) and remove the relay supporting bracket (2), disconnect
the connectors (3) and remove the control
unit (4) from the vehicle.
...
Overhaul of cylinder head components
Cylinder heads
Remove any carbon deposits from the combustion chamber and its ducts.
Remove any scale from the coolant ducts.
Check for cracking and inspect the sealing surfaces for scoring, ridges or other
damage.
Check that the cylinder barrel mating surfaces of the cylinder head are ...
Removal of the front mudguard
Undo the screw (7) and remove the front brake lines (a) from the hose grommet
(4).
Undo and remove the special retaining screws (5): keep the spacers (6).
Remove the front mudguard (1).
Warning
The version provided with carbon mudguards features nylon washers
instead of the spacers (6) ...