
04 Climate
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* Option/accessory, for more information, see Introduction.119
Climate – sensors
The climate system utilizes a number of sen- sors to help regulate the temperature andhumidity level in the passenger compartment.
Sensor location
• The sunlight sensor is located on the top side of the dashboard.
NOTE
The sunlight sensor monitors which side of the car that is most exposed to sunlight.This can mean that the temperature maydiffer between the right and left-side airvents, even if the temperatures set for bothsides of the passenger compartment arethe same.
•The temperature sensor for the passen- ger compartment is located below the cli-mate control panel.
• The outside (ambient) temperature sensoris located on the door mirror.
• The humidity sensor* is located in theinterior rearview mirror.
NOTE
Do not cover or block the sensors with clothing or other objects.
Related information
•
Climate – general information (p. 118)
Air quality
The passenger compartment has been designed to be pleasant and comfortable,even for people with asthma and contactallergies.
Passenger compartment filterReplace the cabin air filter with a new one atthe recommended intervals. Please refer toyour Warranty and Service Records Informa-tion booklet, or consult a trained and qualifiedVolvo service technician for these intervals.The filter should be replaced more often whendriving under dirty and dusty conditions. Thefilter cannot be cleaned and therefore shouldalways be replaced with a new one.
NOTE
There are different types of cabin air filters. Ensure that the correct type is installed.
Interior Air Quality System (IAQS)A multifilter helps reduce gases and particles in the incoming air, thereby reducing the lev-els of odors and contaminants entering thevehicle. The air quality sensor detectsincreased levels of contaminants in the out-side air. When the air quality sensor detectscontaminated outside air, the air intake closesand the air inside the passenger compart-ment is recirculated, i.e., no outside air entersthe vehicle. The filter also cleans recirculatedpassenger compartment air.
NOTE
Contact your Volvo retailer for IAQS air fil- ter replacement intervals.
Materials used in the cabinThe materials used in the cabin have been developed to help minimize the amount ofdust and make the cabin easier to keepclean. All floor mats can be easily removedfor cleaning. Use car cleaning products rec-ommended by Volvo. See also the informa-tion in Cleaning the interior (p. 358).
Related information
•Climate – general information (p. 118)
• Interior Air Quality System (IAQS)* (p. 120)
• Climate – menu settings (p. 120)

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Making a settingDifferent alternatives for locking/unlocking confirmation can be selected in the menus bypressing MY CAR on the center console con-
trol panel. • To activate visual confirmation: go to
SettingsCar settingsLight
settings and select Door lock
confirmation light and/or Unlock
confirmation light by pressing OK/
MENU .
• To activate audible confirmation: go to
SettingsCar settingsLock
settings and select Audible
confirmation by pressing OK/MENU.
For a description of the menu system, see My Car – introduction (p. 70).
Lock indicator
Lock/alarm indicator light A flashing indicator light at the base of the windshield verifies that the vehicle is locked.
Related information
•
Locking/unlocking – from the outside (p. 152)
• Locking/unlocking – from inside (p. 153)
• Locking/unlocking – trunk (p. 155)
Immobilizer (start inhibitor)
The immobilizer is a start inhibitor that helps prevent unauthorized persons from startingthe engine. Each of the keys supplied with your vehicle contains a coded transponder. The code inthe key is transmitted to an antenna in theignition slot where it is compared to the codestored in the start inhibitor module. The vehi-cle will start only with a properly coded key. Ifyou misplace a key, take the other keys to atrained and qualified Volvo service technicianfor reprogramming as an anti-theft measure.The following messages (which may appear inthe instrument panel display) are related tothe immobilizer:

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Opening the trunk from the inside (U.S. models only)
The vehicle is equipped with a florescent han- dle on the inside of the trunk lid, which canbe used in an emergency situation to openthe trunk from the inside. Pull the handledown to release the trunk lid. After use, thehandle must be pushed back into its originalposition before the trunk can be closed. This handle is not intended to be used to anchor the trunk lid when long loads arebeing transported.
WARNING
•Keep vehicle doors and trunk locked and keep keys out of a child’s reach.Unsupervised children could lockthemselves in an open trunk and riskinjury. Children should be taught not toplay in vehicles.
• On hot days, the temperature in thetrunk or vehicle interior can rise veryquickly. Exposure of people to thesehigh temperatures for even a shortperiod of time can cause heat-relatedinjury or death. Small children are par-ticularly at risk.
Related information
•
Locking/unlocking – from inside (p. 153)
• Locking/unlocking – from the outside (p. 152)
Alarm – general information
The alarm system provides a warning if an attempt is made to break into the vehicle. The alarm is automatically armed (p. 158) whenever the vehicle is locked with theremote key. When armed, the alarm continuously monitors a number of points on the vehicle. The follow-ing conditions will trigger the alarm:
• The hood is forced open.
• The trunk is forced open
• A door is forced open.
• The ignition slot is tampered with.
• An attempt is made to start the vehicle with a non-approved key (a key notcoded to the car's ignition).
• The battery is disconnected (while thealarm is armed).
• The siren is disconnected when the alarmis disarmed.
A message will appear in the information dis- play if a fault should occur in the alarm sys-tem. Contact a trained and qualified Volvoservice technician.
NOTE
Do not attempt to repair any of the compo- nents in the alarm system yourself. Thiscould affect the insurance policy on thevehicle.

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Stability system – symbols and messages
Symbols and messages in the main
instrument panel
A text message can be erased by pressing briefly the OK button on the turn signal lever.
SymbolMessageDescription
ESC Temporarily OFFThe ESC system function has been temporarily reduced due to high brake disc temperature. The function reactivates automatically when the brakes have cooled.
ESC Service requiredThe ESC system is not functioning properly. • Stop the vehicle in a safe place, turn off the engine and restart it.
• If the message is still displayed when the engine has restarted, drive to an authorized Volvo work- shop to have the system inspected.
and
"Message"Read the message in the instrument panel.
Steady glow for 2 seconds.The system is performing a self-diagnostic test.

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Radar sensor
The radar sensor is designed to help detect cars or larger vehicles driving in the samedirection as your vehicle, in the same lane.
The radar sensor and its limitationsIn addition to being used by the AdaptiveCruise Control (ACC), the radar sensor is alsoused by Distance Alert (see Distance Alert –introduction (p. 186)) and Collision Warningwith Full Auto-brake and Pedestrian Detec-tion (see Collision warning – introduction(p. 197)).
WARNING
•If there is visible damage to the front grille or you suspect that the radarsensor may be damaged in any way,contact a trained and qualified Volvoservice technician as soon as possible.The radar sensor may only functionpartially (or not at all) if it is damagedor is not securely fastened in place.
• Accessories or other objects, such asextra headlights, must not be installedin front of the grille.
• Modification of the radar sensor couldmake its use illegal.
The radar sensor's capacity to detect vehi- cles ahead is impeded:
• if the radar sensor is obstructed and can- not detect other vehicles, for example in heavy rain, or if snow or other objects areobscuring the radar sensor.
NOTE
Keep the area in front of the radar sensor clean.
•
if the speed of vehicles ahead is signifi- cantly different from your own speed.
Related information
•Adaptive Cruise Control – introduction(p. 172)
• Collision warning – introduction (p. 197)
• Distance Alert – introduction (p. 186)
Adaptive Cruise Control – limitations
The ACC cannot cover all driving situations and traffic, weather and road conditions.
Situations where ACC may not function optimally
WARNING
• The radar sensor has a limited field of vision. In some situations it may detecta vehicle later than expected or notdetect other vehicles at all.
• If ACC is not functioning properly,cruise control will also be disabled.

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SymbolMessageDescription
-Cruise control Service requiredACC is not functioning. Contact a trained and qualified Volvo service technician.
-Press Brake To hold +
an audible signalThe vehicle is at a standstill and ACC will release the brakes before the parking brake engages to keep the vehicle stopped but a problem with the parking brake means that the vehicle may begin to roll. The driver will have to apply the brakes. The message will remain in the display and the audible signal will continue until the driver applies the brakes or presses the accelerator pedal.
-Below 30 km/h Only followingThis is displayed if you try to activate ACC at speeds below approx. 18 mph (30 km/h) without a vehicle ahead within range (approx. 100 ft/30 meters).
Related information
• Adaptive Cruise Control – introduction (p. 172)

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Distance Alert – symbols and messages
Distance Alert is part of Adaptive Cruise Con- trol and is a function that provides informationabout the time interval to the vehicle ahead.
Symbols and text messagesA text message can be erased by pressingbriefly on the OK button on the turn signal
lever.
SymbolMessageDescription
Radar blocked See manualDistance Alert has been temporarily disconnected because the radar is obstructed in some way and can- not detect other vehicles. See Adaptive Cruise Control – limitations (p. 181) for information on the radarsensor’s limitations.
Collision warn. Serv- ice requiredDistance Alert or Collision Warning with Full Auto-brake and Pedestrian Detection is not functioning prop- erly. Contact a trained and qualified Volvo service technician.
Related information
• Distance Alert – introduction (p. 186)
• Distance Alert – operation (p. 186)
• Distance Alert – limitations (p. 187)

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Therefore, vehicles or objects with low-reflec- tive surfaces may not be detected. Normally,the license plate and taillight reflectors givethe rear section of a vehicle ahead sufficientreflective surfaces to be detected.
NOTE
•
Keep the windshield in front of the laser sensor free of ice, snow, dirt,etc., see City Safety – function(p. 191).
• Snow or ice on the hood deeper than2 inches (5 cm) may obstruct the sen-sor. Keep the hood free of ice andsnow.
• Do not mount or in any way attachanything on the windshield that couldobstruct the laser sensor.
Related information
•
City Safety – introduction (p. 190)
• City Safety – function (p. 191)
• City Safety – operation (p. 192)
• City Safety – troubleshooting (p. 193)
• City Safety – symbols and messages (p. 195)
• City Safety – Laser sensor (p. 196)
City Safety – troubleshooting
Troubleshooting
If Windscreen Sensors blocked appears in
the information display, this indicates that the City Safety™ laser sensor is obstructed insome way and cannot detect vehicles aheadof you, which means that the system is notfunctioning. However, this message will not be displayed in all situations in which the sensor isobstructed. For this reason, the driver mustensure that the area of the windshield in frontof the sensor is always kept clean. The following table shows some of the situa- tions that can cause the message to be dis-played and suggested actions.
CauseAction
The area of the wind- shield in front of the sen-sor is dirty or covered byice or snow.Clean the windshield orremove the ice/snow.
The laser sensor's field of view is obstructed.Remove the obstruction.
NOTE
If a crack, scratch or stone chip should occur in the section of the windshield infront the laser sensor, contact a trainedand qualified Volvo service technician torepair or replace the windshield (see theillustration showing the location of the sen-sor in City Safety – function (p. 191)). Fail-ing to do so may result in reduced CitySafety™ functionality. To help prevent limited or reduced func- tionality, please also observe the following:
• Volvo recommends that cracks, scratches or stone chips on the wind-shield in front of the laser sensorshould not
be repaired; in such cases,
the entire windshield should bereplaced.
• Before the windshield is replaced,contact a Volvo retailer to ensure thatthe correct windshield is ordered andinstalled. If the wrong type of wind-shield is used, this may cause CitySafety™ to function improperly or notat all. Volvo recommends the use ofonly Genuine Volvo ReplacementWindshields.
• When replacing windshield wipers, usethe same type or ones approved byVolvo.