2019 VOLVO S90 TWIN ENGINE steering

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30 km/h (20 mph) or higher. The lowest speedthat can be set is 30 km/h (20 mph).
To start Cruise Control:
–With the function displayed, press
(2) on the steering wheel keypad.
> Cruise Control will be started and thevehicle's current speed will be set.

NOTE
Cruise control can then not be connected atspeeds below 30 km/h (20 mph).

Related information
Cruise control (p. 283)
Managing Cruise Control speed
Cruise Control (CC21) can be set to variousspeeds.
Setting/changing set speed
Note: This illustration is general and details may varydepending on model and market.

For vehicles with only CC
–Change a set speed by pressing the (1)
or (3) buttons briefly or by pressing andholding them:
Press briefly: Press briefly: each presschanges the speed in +/- 1 mph(+/- 1 km/h) increments.
Press and hold: release the button whenthe set speed indicator (4) has moved tothe desired speed.
The most recently set speed will be stored.
If speed is increased by depressing the accelera-
tor pedal while pressing the (1) button onthe steering wheel, the vehicle's speed when thebutton is pressed will be stored as the set speed.
Temporarily increasing speed using the accelera-tor pedal, e.g. when passing another vehicle, willnot affect the setting. The vehicle will return tothe set speed when the accelerator pedal isreleased.
20Cruise Control21Cruise Control

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For vehicles with both CC and ACC
–Change a set speed by pressing the (1)
or (3) buttons briefly or by pressing andholding them:
Press briefly: Press briefly: each presschanges the speed in +/- 5 mph(+/- 5 km/h) increments.
Press and hold: release the button whenthe set speed indicator (4) has moved tothe desired speed.
The most recently set speed will be stored.
If speed is increased by depressing the accelera-
tor pedal while pressing the (1) button onthe steering wheel, the vehicle's speed when thebutton is pressed will be stored as the set speed.
Temporarily increasing speed using the accelera-tor pedal, e.g. when passing another vehicle, willnot affect the setting. The vehicle will return tothe set speed when the accelerator pedal isreleased.

Using engine braking instead of
applying the brakes
Cruise Control regulates speed by lightly applyingthe brakes. On downgrades, it can sometimes bedesirable to roll a bit faster and let speed bereduced instead by engine braking alone. Thedriver can temporarily disengage the Cruise Con-trol braking function.
To disengage CC:
–Press the accelerator pedal about halfwaydown and then release it.
> Cruise Control will automatically disen-gage the automatic brake function andspeed will only be reduced using theengine braking function.
How drive mode affects cruise control
The way the cruise control maintains the vehicle'sspeed can vary depending on the selected drive
mode22.

Cruise Control Eco Cruise with ECO drive
mode
In the ECO drive mode, cruise control's accelera-tion and deceleration will be smoother than inother drive modes to help provide optimal fuelefficiency and reduced environmental impact.Because of this, the vehicle's actual speed maybe slightly above or below the set speed.

Cruise Control Dynamic Cruise
With the Dynamic drive mode, cruise control'sacceleration and deceleration will be faster andmore immediate than in other drive modes.

Related information
Cruise control (p. 283)
Drive modes (p. 446)
Deactivating and putting CruiseControl in standby mode
Cruise Control (CC23) can be temporarily putinto standby mode and then reactivated.
Deactivating and putting Cruise Control
in standby mode
Note: This illustration is general and details may varydepending on model.
To put Cruise Control in standby mode:
–Press the button on the steering wheel(2).
> The Cruise Control markings and symbolswill change from WHITE to GRAY, indicat-ing that Cruise Control is temporarilydeactivated and the driver needs to con-trol the vehicle's speed.
22For more information, see "Drive modes".

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Standby mode due to action by the driver
Cruise Control will be temporarily deactivated andput in standby mode if:
the brakes are applied
the gear selector is moved to N
the vehicle is driven faster than the setspeed for more than 1 minute
The driver must then control the vehicle's speed.
Temporarily increasing speed using the accelera-tor pedal, e.g. when passing another vehicle, willnot affect the setting. The vehicle will return tothe set speed when the accelerator pedal isreleased.

Automatic standby mode
Cruise Control will be temporarily deactivated andput in standby mode if:
the wheels lose traction
the engine speed (rpm) is too low/high
the temperature in the brake systembecomes too high
the vehicle's speed goes below 30 km/h(20 mph).
The driver must then control the vehicle's speed.

Related information
Cruise control (p. 283)
Reactivating Cruise Control fromstandby mode
Cruise Control (CC24) can be temporarily putinto standby mode and then reactivated.
Reactivating Cruise Control from
standby mode
Note: This illustration is general and details may varydepending on model.
To start Cruise Control from standby mode:
–Press the button on the steering wheel(1).
> The Cruise Control marking in the instru-ment panel will change from GRAY toWHITE and the vehicle will then return tothe most recently set speed.
or
To start Cruise Control from standby mode:
–Press the button on the steering wheel(2).
> The Cruise Control markings and symbolsin the instrument panel will change fromGRAY to WHITE and the vehicle's currentspeed will be set.

WARNING
A noticeable increase in speed may follow
when the speed is resumed with the steering wheel button.

Related information
Cruise control (p. 283)
23Cruise Control24Cruise Control

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Switching off Cruise Control
Cruise control (Cruise Control - CC) can beturned off.
Function buttons and symbols25.
To turn off Cruise Control:
1.Press the button on the steering wheel(2).
> Cruise Control will go into standby mode.
2.Press the ◀ (1) or ▶ (3) buttons on thesteering wheel to select another function.
>The Cruise Control symbol (4) inthe instrument panel will go out and theset speed will be erased.
3.Press the (2) button on the steeringwheel keypad again.
> Another function will be activated.

NOTE
In vehicles equipped with Adaptive CruiseControl*, it is possible to switch betweencruise control and Adaptive Cruise Control –see the heading "Switching between CC andACC".

Related information
Cruise control (p. 283)
Switching between Cruise Control and Adap-tive Cruise Control (p. 305)
Distance Alert*26
The Distance Alert27 function can help the driverbecome aware if the time interval to the vehiclein front is too short.
However, the vehicle must be equipped with ahead-up display in order to display the DistanceAlert, which will then be indicated by a symbolon the windshield as long as the time interval tothe vehicle ahead is shorter than the set timeinterval.
Distance Alert is active at speeds above 30 km/h(20 mph) and only reacts for vehicles ahead mov-ing in the same direction as your vehicle. No dis-tance information is provided for oncoming, slow-moving or stationary vehicles.

NOTE
Distance Alert is only available in vehiclesthat can display information on the wind-shield with a head-up display.
Distance Alert is deactivated while Adap-tive Cruise Control or Pilot Assist isactive.
25Note: This illustration is general and details may vary depending on model.26The Distance Alert function is only available in vehicles that can display information on the windshield with a head-up display.27Distance Alert

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Related information
Adaptive Cruise Control* (p. 292)
Head-up display* (p. 138)
Activating and starting AdaptiveCruise Control
Adaptive Cruise Control (ACC37) must first beactivated and then started before it can regulatespeed and distance.

Putting Adaptive Cruise Control in
standby mode
Note: This illustration is general and details may varydepending on model.
Adaptive Cruise Control is in standby mode eachtime the engine is started. To put ACC in standbymode from active mode:
–Press ◀ (2) or ▶ (3) on the steering wheel
keypad and scroll to the (4) function.
> The symbol will appear and AdaptiveCruise Control will go into standby mode.
Starting/activating Adaptive Cruise
Control
To start ACC:
The driver's seat belt must be buckled andthe driver's door must be closed.
There must be a vehicle ahead (target vehi-cle) within a reasonable distance or yourvehicle's current speed must be at least15 km/h (9 mph).
Note: This illustration is general and details may varydepending on model.
–With the (4) function displayed, press
(1) on the steering wheel keypad.
> Adaptive Cruise Control will start and thecurrent speed will be stored, which will beshown by numbers in the center of thespeedometer.
37Adaptive Cruise Control

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ACC will only regulate the timeinterval to the vehicle aheadwhen the distance symbolshows two vehicles.
A speed interval will be markedat the same time.
The higher speed is the setspeed for your vehicle and thelower speed is the speed of thevehicle ahead (target vehicle).

Related information
Adaptive Cruise Control* (p. 292)
Managing Adaptive Cruise Controlspeed
Adaptive Cruise Control (ACC38) can be set tovarious speeds.
Setting/changing set speed
Note: This illustration is general and details may varydepending on model and market.
: Increases the set speed.
: Reduces the set speed.
Set speed.
–Change a set speed by pressing the (1)
or (2) buttons briefly or by pressing andholding them:
Press briefly: Press briefly: each presschanges the speed in +/- 5 mph(+/- 5 km/h) increments.
Press and hold: release the button whenthe set speed indicator (3) has moved tothe desired speed.
The most recently set speed will be stored.
If speed is increased by depressing the accelera-
tor pedal while pressing the (1) button onthe steering wheel, the vehicle's speed when thebutton is pressed will be stored as the set speed.
Temporarily increasing speed using the accelera-tor pedal, e.g. when passing another vehicle, willnot affect the setting. The vehicle will return tothe set speed when the accelerator pedal isreleased.
38Adaptive Cruise Control

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To temporarily deactivate Adaptive Cruise Controland put it in standby mode:
–Press the button on the steering wheel(2).
>The symbol in the instrument panelchanges color from WHITE to GRAY andthe set speed in the center of the speed-ometer will change from BEIGE to GRAY.

WARNING
If Adaptive Cruise Control is in standbymode, the driver must intervene and regu-late both speed and distance to the vehicleahead.
If the vehicle comes too close to a vehicleahead when Adaptive Cruise Control is instandby mode, the driver is instead warnedof the short distance by the Distance Alertfunction.

Standby mode due to action by the driver
Adaptive Cruise Control will be temporarily deac-tivated and put in standby mode if:
the brakes are applied
the gear selector is moved to N
the vehicle is driven faster than the setspeed for more than 1 minute
Temporarily increasing speed using the accelera-tor pedal, e.g. when passing another vehicle, willnot affect the setting. The vehicle will return tothe set speed when the accelerator pedal isreleased.
Automatic standby mode
Adaptive Cruise Control is dependent on othersystems, such as Electronic Stability Control
(ESC42). If any of these other systems stopsworking, Adaptive Cruise Control will automati-cally switch off.

WARNING
With automatic standby mode, the driver iswarned by an acoustic signal and a messageon the instrument panel.
The driver must then regulate vehiclespeed, apply the brakes if necessary, andmaintain a safe distance to other vehicles.
Adaptive Cruise Control may go into standbymode if:
your vehicle's speed goes below 5 km/h(3 mph) and ACC cannot determine if thevehicle ahead is stationary or if it is anotherobject, e.g. a speed bump.
your vehicle's speed goes under 5 km/h(3 mph) and the vehicle ahead turns so thatACC no longer has a vehicle to follow.
the driver opens the door.
the driver unbuckles the seat belt.
the engine speed (rpm) is too low/high.
one or more of the wheels lose traction.
the brake temperature is high.
the parking brake is applied.
the camera/radar sensor is covered by snowor heavy rain (the camera lens/radar wavesare blocked)
Reactivating Adaptive Cruise Control
from standby mode
Note: This illustration is general and details may varydepending on model.
42Electronic Stability Control

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To reactivate ACC from standby mode:
–Press the button on the steering wheel(1).
> Speed will be set to the most recentlystored speed.

WARNING
A noticeable increase in speed may follow
when the speed is resumed with the steering wheel button.

Related information
Adaptive Cruise Control* (p. 292)
Passing assistance with AdaptiveCruise Control
Adaptive Cruise Control (ACC43) can assist thedriver when passing other vehicles.
How passing assistance works
When ACC is following another vehicle and youindicate that you intend to pass that vehicle by
using the turn signal44, Adaptive Cruise Controlwill begin accelerating toward the vehicle aheadbefore your vehicle has moved into the passinglane.
The function will then delay a speed reduction toavoid early braking as your vehicle approaches aslower-moving vehicle.
The function remains active until your vehicle haspassed the other vehicle.

WARNING
Please note that this function can be acti-vated in more situations than just passinganother vehicle, such as when a direction indi-cator is used to indicate a lane change orbefore exiting to another road – the vehiclewill then briefly accelerate.
Related information
Adaptive Cruise Control* (p. 292)
Starting passing assistance with AdaptiveCruise Control (p. 302)
Limitations of passing assistance with Adap-tive Cruise Control (p. 302)
43Adaptive Cruise Control44Only the left-hand turn signal for left-hand drive vehicles, or right-hand turn signal for right-hand drive vehicles.