Volvo XC90: Starting and driving / Activating and deactivating Eco drive mode using the function button
There is a function button for Eco drive mode in the center display's Function
view if the vehicle is not equipped with a drive mode control in the tunnel console.
When the engine is switched off, Eco mode is deactivated and must therefore be
reactivated each time the engine is started. ECO will be displayed in the
instrument panel when the function is activated.
Selecting Eco drive mode in the center display's Function view
Tap the Driving Mode ECO button to activate or deactivate the function.

An indicator light in the button will illuminate when the function is activated.
Eco drive mode can help make driving more fuel-efficient and eco-friendly.
Use this mode to save fuel and promote ecofriendly driving.
When Eco mode is activated, the following characteristics are modified:
The automatic transmission's shifting points...
Start/Stop is a function that temporarily switches off the engine when the
vehicle has stopped, e.g. at a traffic light or in heavy traffic, and then starts
it again automatically when needed...
Other information:
As part of Volvo's commitment to safety and quality, certain information is
recorded regarding vehicle operation, functionality and incidents.
US market only:
EDR
This vehicle is equipped with an "Event Data Recorder" (EDR). The main purpose
of an EDR is to record, in certain crash or near crash-like situations, such as
an air bag deployment or hitting a road obstacle, data that will assist in ..
(Option/accessory.)
The climate retaining function maintains the climate settings in the vehicle
after the engine has been switched off. The function can be activated in the center
display.
Tap the symbol in the center
of the climate bar to open Climate view in the center display.
Select the Parking climate tab.
Tap Keep climate comfort.
The climate comfort retaining function will be ac..