Volvo XC90 2015-2021 Owners Manual / Starting and driving / Conditions for the Start/Stop function

Volvo XC90: Starting and driving / Conditions for the Start/Stop function

Certain conditions must be met for Start/Stop to function.

If any condition is not met, this will be indicated in the instrument panel.

The engine does not auto-stop

The engine will not auto-stop if:

  • The vehicle has not reached a speed of ca 10 km/h (6 mph) after starting.
  • After several auto-stops, the speed must again exceed approximately ca 10 km/h (6 mph) before the next auto-stop.
  • The driver has not fastened the seatbelt.
  • The engine is not running at its normal operating temperature.
  • The ambient temperature is under approximately -5 °C (23 °F) or over approximately 30 °C (86 °F).
  • Windshield heating is activated.
  • The climate system settings and the actual climate in the passenger compartment differ.
  • The vehicle is in reverse.
  • The driver is making large steering wheel movements.
  • The road gradient is very steep.
  • The hood is open.
  • Driving at high altitude and the engine has not reached its normal operating temperature.
  • ABS has been activated.
  • Hard braking (even if the ABS system has not been activated).
  • Many starts during a short period of time have triggered the starter motor's overheating protection.
  • The exhaust system's particulate filter is full.
  • A trailer is connected to the vehicle's electrical system.
  • The transmission is not running at its normal operating temperature.
  • The gear selector is in mode M (±).
  • If traffic conditions allow it (for example in a traffic jam).

The engine does not auto-start

The engine will not auto-start after an autostop if:

The driver is not wearing a seat belt, the gear selector is in the P position and the driver's door is open. The engine must be started normally.

The engine auto-starts while the brake pedal is depressed

In the following situations, the engine will auto-start even if the brake pedal is depressed:

  • High levels of condensation on the inside of the windows.
  • The climate system settings and the actual climate in the passenger compartment differ.
  • The brake pedal is pumped repeatedly.
  • The hood is open.
  • The vehicle begins to roll or increases speed slightly if the engine auto-stopped before the vehicle was at a standstill.
  • The driver's seat belt is unbuckled with the gear selector in the D or N positions.
  • The gear selector is moved from D to R or M (±).
  • The driver's door is opened with the gear selector in D. An audible signal and a text message informs the driver that the ignition is on.

WARNING

Do not open the hood if the engine has auto-stopped. Turn off the engine by switching off the ignition before lifting the hood.

    Deactivating the Start/Stop function

    In certain situations, it may be advisable to turn the Start/Stop function off. To turn off Start/Stop, tap the Start/Stop function button in the center display's Function view...

    Leveling control and suspension

    (Option/accessory.) The vehicle's leveling control system adjusts the suspension and shock absorbers automatically to help optimize comfort and control while driving...

    Other information:

    Volvo XC90 2015-2021 Owners Manual: Climate control sensors. Perceived temperature


    The climate system has a number of sensors to help regulate the climate settings in the vehicle. Do not cover or block the sensors with clothing or other objects. Location of the sensors Sunlight sensors - on the upper side of the dashboard. Humidity sensor - in the rearview mirror console...

    Volvo XC90 2015-2021 Owners Manual: HD Radio™


    HD Radio is a brand name registered by the DTS, Inc.1. They are the developer of a broadcasting technology called IBOC or In Band On Channel, which refers to the method of transmitting a digital radio broadcast signal centered on the same frequency as the AM or FM station's present frequency...

      Categories

      Distance Alert

      (Option/accessory.)

      The Distance Alert function can help the driver become aware if the time interval to the vehicle in front is too short. The vehicle must be equipped with a head-up display* in order to display Distance Alert.

      Volvo XC90. Distance Alert

      Symbol for Distance Alert on the windshield with head-up display

      read more

       
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