Volvo XC90: Starting and driving / Activating and deactivating Low Speed Control using the function button
(Option/accessory.)
There is a function button for driving at low speeds with Hill Descent
Control in the center display's Function view if the vehicle is not equipped
with a drive mode control in the tunnel console.
Selecting Low Speed Control in the center display's Function view
- Tap the Hill Descent Control button to activate or deactivate the
function.

- An indicator light in the button will illuminate when the function is
activated.
When the engine is switched off, the function will be automatically deactivated.
NOTE
The function is deactivated when driving at high speeds and must be reactivated
at lower speeds if so desired.
The low-speed function (LSC1) facilitates and improves control
and traction on rough roads and slippery surfaces, e.g. when towing a trailer on
grass or up boat ramps...
(Option/accessory.)
The function for assisting when driving downhill (HDC1) is a low-speed
function with increased engine braking. The function makes it possible to increase
or decrease the vehicle's speed on steep downhill gradients by only using the accelerator
pedal, without applying the brakes...
Other information:
(Option/accessory)
The second row of seats can be adjusted to make it easier to get in and out
of the third row of seats*.
The illustration is generic.
To fold down the backrest:
Pull the handle on the upper side of the right or left outboard second row
seat upward/forward...
(Option/accessory)
Enhance comfort in the front seat by adjusting the sides of the backrest.
The multifunction control is located on the side of the seat
cushion.
The side bolsters in the front seat backrests can be inflated/deflated to adjust
the amount of support provided...