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:
(Option/accessory.)
The retractable hitch is designed to be used to tow a trailer or mount a bicycle
holder. The hitch can be easily retracted or extended as needed. When retracted,
the hitch is completely concealed.
WARNING
Follow the instructions for folding in/out the towbar carefully...
The vehicle recovers kinetic energy during braking in order to reduce fuel
consumption and emissions.
The battery symbol is shown in
the instrument panel when the vehicle is generating power for the battery1.
The function is available in all drive modes together with gear selector position
D or M...