2018 VOLVO S90 ECO mode

STARTING AND DRIVING
* Option/accessory.417
Eco gauge in 12" instrument panel *.
Eco gauge in 8" instrument panel.
ECO ClimateIn Eco mode, ECO climate is automatically acti- vated in the passenger compartment to helpreduce energy consumption.
NOTE
When the ECO function is activated, settings for certain climate system and electricity con-suming functions are reduced. Some of thesesettings can be reset manually, but full func-tionality will only be restored by switching off the ECO function or adapting the
Individual*
drive mode to full climate system functionality.
If condensation forms on the windows, tap the max defroster button, which will function normally.
Related information
• Changing drive mode
* (p. 415)
• Activating and deactivating ECO drive modeusing the function button (p. 417)
• Drive modes
* (p. 413)
• Economical driving (p. 424)
• Start/Stop function (p. 418)
Activating and deactivating ECOdrive mode using the functionbutton
Vehicles equipped with drive mode controls in the tunnel console have a function button forEco drive mode in the center display's Functionview.
When the engine is switched off, ECO mode is deactivated and must therefore be reactivated each time the engine is started. ECO will be dis-
played in the instrument panel when the function is activated.
Selecting Eco drive mode in the center
display's Function view
–Tap the Driving Mode ECO button to acti-
vate or deactivate the function.
> An indicator light in the button will illumi- nate when the function is activated.
Related information
• ECO drive mode (p. 415)
• Changing drive mode
* (p. 415)
• Drive modes
* (p. 413)

STARTING AND DRIVING
* Option/accessory.
418
Start/Stop function
Start/Stop is a function that temporarily switches off the engine when the vehicle has stopped,e.g. at a traffic light or in heavy traffic, and thenstarts it again automatically when the brakepedal is released.
The Start/Stop function reduces fuel consump- tion, which helps to reduce exhaust emissions. The system makes it possible to drive more eco- nomically and climate-smart by letting the engineauto-stop when appropriate.
Related information
• Driving with the Start/Stop function (p. 418)
• Conditions for the Start/Stop function(p. 420)
• Drive modes
* (p. 413)
Driving with the Start/Stop function
Start/Stop is a function that temporarily turns off the engine when the vehicle is stationary andthen automatically starts it again when the vehi-cle starts moving.
The Start/Stop function is available when the engine is started and can be activated if certainconditions are met. The instrument panel indi-cates if the function is available, active or notavailable. All of the vehicle's ordinary systems, such as lighting, radio, etc. function normally when theengine has been auto-stopped. Certain functionsmay be temporarily reduced, however, such asthe climate system's blower speed or extremelyhigh audio system volume.
Auto-stopTo auto-stop the engine:
• Stop the vehicle by applying the brakes andkeep the brake pedal depressed. The enginewill auto-stop.
In Eco or Comfort 5
drive mode, the engine may
auto-stop before the vehicle has completely stop-ped. With Adaptive Cruise Control or Pilot Assist acti- vated, the engine will auto-stop after approxi-mately three seconds.
Auto-startThe following conditions must be met for theengine to auto-start. • Release the brake pedal. The engine will auto-start and the vehicle can be driven. Onan uphill gradient, Hill Start Assist (HSA) willactivate to help prevent the vehicle from roll-ing backward.
• When Auto-hold is activated, auto-start willbe delayed until the accelerator is pressed.
• When Adaptive Cruise Control or Pilot Assistare activated, the engine will auto-start whenthe accelerator pedal is depressed or the
button on the left-side steering wheel
keypad is pressed.
• Maintain pressure on the brake pedal and press the accelerator pedal. The engine willauto-start.
• On a downhill gradient: Release the brakepedal slightly so that the vehicle begins toroll. The engine will auto-start after a slightincrease in speed.
5
Normal start mode.

STARTING AND DRIVING
* Option/accessory.419
Symbols in the instrument panel
12" instrument panel *
•READY
will be displayed in the tachometer
when Start/Stop is available.
• An indicator in the tachometer will point toward
READY when Start/Stop is active
and the engine has auto-stopped.
• READY
will be grayed-out when Start/Stop
is not available.
• No message will be shown when the func- tion is turned off.
The function is active and the engine has auto-stopped.
8" instrument panel
The symbol is displayed at the bottom of the speedometer.
SymbolMeaning
White symbol: the function is avail- able.
Beige symbol: The function is active and the engine has auto-stopped.
the function is not available because the conditions have notbeen met. No symbol will be shown when the function is turned off.
Related information
•Temporarily deactivating the Start/Stop func- tion (p. 419)
• Conditions for the Start/Stop function(p. 420)
• Start/Stop function (p. 418)
• Hill Start Assist (p. 406)
• Auto-hold brakes (p. 405)
Temporarily deactivating the Start/Stop function
In certain situations, it may be advisable to tem- porarily turn the Start/Stop function off.
To turn off Start/Stop, tap theStart/Stop function button in
the center display's Function view. The indicator light in thebutton will go out when thefunction has been turned off.
The function will remain turned off until:
• it is reactivated
• the drive mode is changed to Eco or Comfort
• the engine is restarted.
Related information
•
Driving with the Start/Stop function (p. 418)
• Conditions for the Start/Stop function (p. 420)

STARTING AND DRIVING
* Option/accessory.
422
Leveling control * and suspension
Self-leveling and suspension functions are con- trolled automatically.
Rear leveling control keeps the rear section of the vehicle at the same height regardless of load.Leveling control may also remain active when thevehicle is parked.
Shock absorbers (Four-C)The shock absorbers are adapted to the selecteddrive mode and vehicle speed. The shock absorb-ers are normally set to provide the best possiblecomfort and are adjusted continuously accordingto the road surface and the vehicle's acceleration,braking and cornering.TransportingWhen transporting the vehicle on a ferry, train ortruck, only secure (lash) the vehicle around thetires, not using any other parts of the chassis.Changes in the pneumatic suspension may occurduring transport, which could adversely affect thelashing and result in damage.
Symbols and messages in driver display
SymbolMessageMeaning
Suspension Deactivated by userLevel control has been switched off manually by the user.
Suspension Temporarily reduced performenceLevel control performance has been temporarily reduced due to extensive system use. If this message appears frequently (e.g. several times in one week) contact a workshop A
.
Suspension Service requiredA fault has occurred. Visit a workshop A
as soon as possible.

STARTING AND DRIVING
* Option/accessory.423
SymbolMessageMeaning
Suspension failure Stop safelyA critical fault has occurred. Stop safely, have the car towed to a workshop A
.
Suspension Slow down Vehicle too highA fault has occurred. If the message appears while driving, contact a workshop A
.
Suspension Auto adjusting vehicle levelLevel control of the car's rear axle to target height is in progress.
A An authorized Volvo workshop is recommended.
Related information
• Leveling control settings
* (p. 424)
• Drive modes
* (p. 413)

STARTING AND DRIVING
* Option/accessory.
424
Leveling control settings *
Turn off leveling control before lifting the vehicle with a jack to help avoid problems with thepneumatic suspension.
Center display settings
Disable Leveling Control
In certain situations, this function must be turned off, e.g. before the vehicle is raised using a jack *.
The level difference caused by raising the vehicle with a jack could cause problems with the pneu-matic suspension. Turning off the function in the center display:1. Tap
Settings in the Top view.
2. Tap
My CarParking Brake and
Suspension.
3. Select
Disable Leveling Control.
Related information
• Leveling control
* and suspension (p. 422)
• Loading recommendations (p. 543)
Economical driving
Drive economically and environmentally con- scious by thinking ahead, avoiding rapid startsand stops and adapting driving style and speedto the current traffic conditions.
Driving economically conserves natural resources
Observe the following rules:
• Do not warm up the engine by idling. It is better to begin driving normally immediately after starting the engine. A cold engine uses more fuel than a warm engine and is subject to increased wear.
• Whenever possible, avoid using the vehicle todrive short distances. The engine does nothave time to reach a normal operating tem-perature and this leads to increased fuelconsumption.
• Maintain a steady speed and a generous fol-lowing distance to traffic ahead to minimizebraking.
• For lower fuel consumption, activate Ecodrive mode.
• Use the Eco Coast function in drive mode Eco - engine braking is deactivated, allowing the vehicle's kinetic energy to be used to rollgreater distances.
• Use gear
D as often as possible and avoid
using the kick-down function. •
Fuel consumption is increased at highspeeds - air resistance increases with speed.
• Remove unnecessary items from the vehicle- the heavier the load, the higher the fuelconsumption.
• Maintain the correct pressure in the tires andcheck pressure regularly.
• The type of tires used could affect fuel con-sumption - consult a retailer for advice onsuitable tires.
• Do not use winter tires after the winter sea-son has ended.
• Roof loads increase air resistance andincrease fuel consumption. Remove roofboxes, ski racks, etc. that are not in use.
• Avoid driving with the windows open.
• Using the trip computer's fuel consumptionindicators can help you learn how to drivemore economically.
Other factors that decrease fuel
consumption
• Dirty air cleaner.
• Dirty engine oil and clogged oil filter.
• Incorrect front-end alignment.
• Incorrect wheel alignment.
Some of the above items and others are checked as part of Volvo's standard maintenance sched-ule.

STARTING AND DRIVING
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425
Related information
•Drive-E
‒ purer driving pleasure (p. 27)
• ECO drive mode (p. 415)
• Checking tire pressure (p. 515)
Preparing for a long trip
It is important to have the vehicle's systems and equipment checked carefully before driving longdistances.
Check that:
• the engine is running properly and that fuel consumption is normal
• there are no leaks (fuel, oil or other fluid)
• the brake pedal is functioning optimally
• all lights are working
‒
adjust the headlight
height if the vehicle is carrying a heavy load
• tire tread depth and air pressure are at cor-rect levels. Change to snow tires when driv-ing in areas where there is a risk of snowy oricy roads.
• the start battery is sufficiently charged
• the wiper blades are in good condition
Related information
• Checking tire pressure (p. 515)
• Filling washer fluid (p. 606)
• Winter driving (p. 425)
• Economical driving (p. 424)
• Vehicle modem settings (p. 491)
• Loading recommendations (p. 543)
• Pilot Assist (p. 300)
• Speed limiter (p. 267)
• Tire sealing system (p. 530)
Winter driving
It is important to check the vehicle before driving in cold/snowy conditions to make sure it can bedriven safely.
Before the cold season arrives:
• Make sure the engine coolant contains 50% antifreeze. This mixture helps protect theengine from frost erosion down toapprox. -35 °C (-31 °F). Do not mix differenttypes of antifreeze as this could pose ahealth risk.
• Keep the fuel tank well filled to prevent con-densation from forming.
• Check the viscosity of the engine oil. Oil withlow viscosity (thinner oil) improves cold-weather starting and reduces fuel consump-tion when driving with a cold engine.
CAUTION
Low-viscosity oil should not be used with hard driving or in hot weather.
•
Check the condition and charge level of the start battery. Cold weather places greaterdemands on the start battery and reduces itscapacity.
• Use washer fluid containing antifreeze tohelp prevent ice from forming in the washerfluid reservoir.

||
STARTING AND DRIVING
* Option/accessory.
432 the vehicle safely and letting the engine idle for a few minutes to let the transmissioncool.
• If the vehicle begins to overheat, the air con-ditioning may be temporarily switched off.
• After a prolonged period of driving indemanding conditions, do not turn off theengine immediately after stopping.
NOTE
It is normal for the engine's cooling fan to operate for a short time after the engine isswitched off.
Symbols in the instrument panel
SymbolMeaning
High engine temperature. Follow the recommendations provided.
Low coolant level. Follow the rec- ommendations provided.
Transmission hot/overheated/cool- ing. Follow the recommendationsprovided.
Related information
•Refilling coolant (p. 562)
• Preparing for a long trip (p. 425)
• Gear indicator
* (p. 412)
Battery drain The electrical functions in the vehicle drain the battery to varying degrees. Avoid using ignitionmode II when the engine is switched off. Use
ignition mode I instead, as this uses less electri-
cal current.
Note that certain accessories may also drain power from the electrical system. Do not usefunctions that use a lot of electrical current whenthe engine is turned off. Examples of such func-tions are:
• blower
• headlights
• windshield wipers
• audio system (especially at high volume).
If the starter battery voltage is low, a message isshown in the driver display. The vehicle's energy-saving function will then turn off or reduce certainfunctions, such as the blower and/or the audio system.
–Charge the battery by starting the engine and let it run for at least 15 minutes (drivingcharges the battery faster than letting theengine idle).
Related information
• Start battery (p. 573)
• Ignition modes (p. 397)