Ferrari 458 Italia, Technical Documentation Manual

Page: 1384 / 2012

If any event occurs necessitating the visualisation of a specific symbol and/or message while the “Chronometer”
screen is active, the screen is displayed in minimised format.
The chronometer continues to run while the event/fault is displayed.
The chronometer is reset at each Key-on, while the most recent valid Best Lap and Last Lap values recorded
remain in memory.
The chronometer function is controlled using the OK, UP and DOWN buttons as follows:
During the display cycle of an active event/fault, pressing OK briefly cancels the event/fault display cycle
(“ESCAPE” function) without affecting the chronometer function.
pressing OK briefly with the chronometer stopped starts the Current Lap chronometer;
pressing OK briefly with the chronometer running resets and restarts the Current Lap chronometer and
updates information relative to the previous laps (lap end/start of next lap);
pressing UP or DOWN briefly with the chronometer stopped recalls the display brightness setting screen;
pressing UP or DOWN briefly with the chronometer running stops the chronometer and updates information
relevant to previous laps;
pressing and holding UP or DOWN with the chronometer stopped or running resets the chronometer and the
information relevant to previous laps.
The “ Vehicle status ” screen, which may be recalled directly by pressing VDA, or by pressing LEFT with the
MAIN screen active, helps the driver keep the vehicle in optimum conditions for maximum performance
during use on high grip surfaces.
This is done by using an algorithm that estimates the temperature status of the vehicle's main subsystems
(tyres, brakes, engine) in relation to a number of dynamic parameters (lateral acceleration, speed etc.).
Three different colours - green, light blue and red - are used to visualise the current vehicle status in an
immediately legible form:
WARM UP : component warm-up and control system self-acquisition stage, during which careful driving intended
to bring the vehicle into optimum operating conditions is recommended.
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