Volvo XC90: Starting and driving / Automatic transmission
Gear position is selected automatically to make driving as energy efficient
as possible. The transmission also has a manual mode.
The transmission is available in two different versions. The gear selector indicates
which transmission the vehicle has. The various gear selectors have different functions.

Overview of large gear selector and gear shift pattern in the
instrument panel.

Overview of small gear selector and gear shift pattern in the
instrument panel.
The selected gear selector position is displayed in the instrument panel:
P, R, N, D or M.
The transmission is part of the vehicle's driveline (power transmission) between
the engine and the drive wheels. The function of the transmission is to change gears
depending on speed and power needs...
For the small gear selector, change gear position by pushing the spring-loaded
gear selector forward or rearward, or to the side for manual shifting. For the large
gear selector, you instead move the gear selector to the left for manual shifting...
Other information:
(Option/accessory.)
Passing assistance can assist the driver when passing other vehicles. The
function can be used with Adaptive Cruise Control* or Pilot Assist*.
When Adaptive Cruise Control or Pilot Assist is following another vehicle and
you indicate that you intend to pass that vehicle by using the turn signal1,
the system will begin accelerating toward the vehicle ahead before your vehicle..
The vehicle's brakes are used to reduce speed or prevent the vehicle from
rolling.
In addition to the wheel brakes and parking brakes, the vehicle is also equipped
with a number of automatic brake assist functions. These systems provide assistance
by e.g. the driver not needing to depress the brake pedal at a traffic light, when
starting up a hill or when driving down a hill.
Depending on how ..