Ferrari Portofino Manual page 135

Warning
Drivers are responsible for leaving a vehicle with the key inside: drivers
must always switch off the engine and instrument panel and take the
key with them before getting out of the vehicle.
Warning
Leaving the vehicle with the instrument panel activated puts those
who are in the vicinity of the vehicle at serious risk if the engine starts
unexpectedly.
Warning
Always switch off the instrument panel and remove the key from the
vehicle before changing the tyres.
System operating
If activated, the Stop&Start system decides when to switch off the engine
and when to restart it according to the driving conditions, the climate
comfort on board and the operating status of the vehicle. The system logic
does not require drivers to make any change in the way they drive the
vehicle.
Manual activation and deactivation button
The driver can activate/deactivate the Stop&Start system at any time by
pressing button A on the roof panel. If the system is activated, pressing
button A will deactivate it: the message "Stop&Start OFF" appears for 5
seconds on the left TFT display accompanied by a special symbol.
Once the system has been deactivated, pressing button
the system: the message "Stop&Start ON" appears for 5 seconds on the
left TFT display accompanied by a special symbol.
If the Stop&Start system is activated, the LED on button
whereas if the system is deactivated, the LED comes on. Deactivation
of the system by pressing button
(when the engine has been automatically switched off by the Stop&Start
function) automatically restarts the engine.
Automatic engine stop mode
The engine stops automatically when the vehicle is stationary and the brake
pedal is pressed and restarts when the brake pedal is released.
The left TFT display informs the driver that the Stop&Start system
has been activated by displaying the message "Stop&Start active"
accompanied by a special symbol. The message is displayed as long as the
vehicle remains in a stop state. To interrupt the display cycle and reduce
the message to an icon, press the MODE button with "ESCAPE" function.
A again reactivates
A while in a stopped vehicle condition
Stop&Start
A
ABOUT YOUR VEHICLE
A goes off
3
OFF
135