Hill Start Assist - Volvo XC60 Twin Engine 2020 Owner's Manual

STARTING AND DRIVING

Hill Start Assist

The function for assisting when starting the
4
vehicle on inclines (HSA ) helps prevent the
vehicle from rolling backward when starting
on an uphill gradient. When backing up a hill,
HSA helps prevent the vehicle from rolling
forward.
The function retains pressure from the brake
pedal in the brake system for several seconds
after the brake pedal has been released.
This temporary braking effect is released after
a few seconds or when the driver begins driv-
ing.
Hill Start Assist is available even when the
Auto-hold brake function is switched off.
Related information
Auto-hold brakes (p. 414)
•
Brakes (p. 407)
•
4 Hill Start Assist
416
Braking assist after a collision
In a collision in which the activation level is
reached for the pyrotechnic seat belt tension-
ers or airbags, or if a collision with a large ani-
mal is detected, the vehicle's brakes will be
automatically activated. This function is
intended to help prevent or reduce the effects
of any subsequent collision.
After a serious collision, it may no longer be
possible to control and steer the vehicle. In
order to avoid or mitigate a possible further
collision with a vehicle or an object in the vehi-
cle's path, the brake assist system is activated
automatically to help stop the vehicle safely.
If braking is not appropriate, e.g. if there is a
risk of being hit by passing traffic, the driver
can override the system by depressing the
accelerator pedal.
This function assumes that the brake system
is intact after a collision.
Related information
Rear Collision Warning* (p. 332)
•
BLIS* (p. 333)
•
Brake functions (p. 407)
•
Transmission
The transmission is part of the vehicle's drive-
line (power transmission) between the engine
and the drive wheels. The function of the
transmission is to change gears depending
on speed and power needs.
The vehicle has an 8-speed automatic trans-
mission and an electric motor for rear-wheel
drive. The number of gears allows the engine's
torque and power band to be effectively uti-
lized. Two of the gears are overdrive gears that
save fuel when driving at a constant engine
speed. Manual shifting is also possible. The
instrument panel shows the gear currently in
use.
Related information
Automatic transmission (p. 417)
•
* Option/accessory.