Volvo S 90, Owner'S Manual

Page: 285 / 548

DRIVER SUPPORT
* Option/accessory, for more information, see Introduction. 283
Automatic braking with Pilot
Assist-1
The auto-hold brakes function as follows with
Pilot Assist.
Auto-hold brake function
In slow-moving, stop-and-go traffic or when stop-
ped at a traffic light, driving will resume automati-
cally if the vehicle is not stopped for more than
approx. 3 seconds. If it takes more than
3 seconds for the vehicle ahead to begin moving
again, Pilot Assist will go into standby mode and
the auto-hold brake function will activate.
–
The driver will then have to reactivate Pilot
Assist in one of the following ways:
•
Press the button on the left-side
steering wheel keypad
•
Press the accelerator pedal
> Pilot Assist will resume following the vehi-
cle ahead (target vehicle) if it begins to
move within approx. 6 seconds.
NOTE
Pilot Assist can keep the vehicle at a stand-
still for up to 5 minutes, after which the park-
ing brake will be set and Pilot Assist will go
into standby mode.
The parking brake has to be released before
Pilot Assist can be reactivated.
Deactivation of the auto-hold brake function
In certain situations, auto-hold will be deactivated
when the vehicle is at a standstill and Pilot Assist
will go into standby mode.
This means that the brakes will be released and
the vehicle can begin to roll.
The driver must actively apply the brakes to keep
the vehicle at a standstill.
This can occur in the following situations:
•
the driver presses the brake pedal
•
the parking brake is set
•
the gear selector is moved to the
P
,
N
or
R
positions
•
the driver puts Pilot Assist in standby mode
Automatically setting the parking brake
In certain situations, the parking brake is set
automatically to help keep the vehicle at a stand-
still.
This occurs if:
•
the driver unbuckles the seat belt or opens
the door
•
Pilot Assist has kept the vehicle at a stand-
still for more than approx. 5 minutes
•
the engine is turned off
•
the brakes overheat
Related information
•
Pilot Assist
*
(p. 275)
•
Pilot Assist-1
*
(p. 275)
•
Starting and activating Pilot Assist-1
*
(p. 278)
•
Setting a Pilot Assist-1 time interval (p. 280)
•
Deactivating/resuming Pilot Assist-1
(p. 281)
•
Pilot Assist-1 limitations (p. 284)