Hill Start Assist; Auto-Hold Brake Function - Volvo XC 90 Owner's Manual

STARTING AND DRIVING

Hill Start Assist

Hill Start Assist (HSA) helps prevent the vehicle
from rolling backwards when starting up a hill. If
you are backing up a hill, HSA helps prevent the
vehicle from rolling forward.
HSA makes it easier to start or back up on a hill
by retaining pressure on the brake pedal for sev-
eral seconds after the pedal has been released in
order to keep the vehicle at a standstill.
The brakes will be released after several seconds
or when the driver presses the accelerator pedal.
HSA is available even if the Auto-hold braking
function is turned off.
Related information
•
Brake functions (p. 395)
•
Auto-hold brake function (p. 402)
402

Auto-hold brake function

With the Auto-hold brake function, the driver can
release the brake pedal and the brakes will
remain applied, for example, when the vehicle
has stopped at a traffic light or intersection.
When the vehicle is no longer moving forward,
Auto-hold applies the brakes automatically, either
using the normal brakes or the parking brake.
The brakes will be released when the accelerator
pedal is depressed.
If the driver's door is opened or the engine is
turned off, the parking brake will be applied auto-
matically.
Auto-hold is deactivated when the transmission is
in neutral or if the driver's door is open and the
seat belt is unbuckled.
Auto-hold control
Auto-hold control and indicator light
Turn Auto-hold on or off by pressing the control
in the tunnel console. The indicator light illumi-
nates when the function is on.
When Auto-hold is off, Hill Start Assist (HSA) will
be activated to help prevent the vehicle from roll-
ing backwards when starting up a hill.
Instrument panel symbol
Symbol Explanation
The symbol in the instrument
panel illuminates when this func-
tion is using the normal brakes to
keep the vehicle stationary.
This symbol in the instrument
panel illuminates when Auto-hold
is using the parking brake to keep
A
the vehicle stationary
B
A US models
B Canadian models
Related information
•
Hill Start Assist (p. 402)
•
Brake functions (p. 395)