Ferrari 458 Italia Owner's Manual page 152

Suspension damping delink button
The driver may decide to separate the suspension setting from the
logic of the "Manettino" driving mode control switch using the
special button A on the steering wheel.
By pressing button A, irrespective of the position of the Manettino,
the suspension setting shifts to Level 1 (COMFORT).
Position of Suspension
Manettino
Low grip COMFORT
SPORT SPORT
RACE
CT OFF
CST OFF
A
About your Vehicle
152
Button A pressed
setting
remains COMFORT
shifts to COMFORT
RACE shifts to COMFORT
RACE shifts to COMFORT
RACE shifts to COMFORT
If button A has been pressed and subsequently the position of the
Manettino is changed, the suspension setting follows the operating
logic dictated by the Manettino.
Important note
Upon turning off and restarting the vehicle, the suspension
setting depends on the position of the Manettino.
When the Manettino is set to SPORT, RACE, CT OFF or CST OFF,
shifting to the COMFORT suspension setting by pressing button
A is indicated by displaying the special symbol and "Bumpy road"
message on the left TFT display for 5 seconds.
Bumpy road