Changing the battery

You require a CR 2025 3 V cell battery.

  • Take the mechanical key out of the SmartKey ().

  • Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow until battery tray cover 1 opens. When doing so, do not hold cover 1 shut.
  • Remove battery tray cover 1.

  • Repeatedly tap the SmartKey against your palm until battery 3 falls out.
  • Insert the new battery with the positive terminal facing upwards. Use a lint-free cloth to do so.
  • Make sure that the surface of the battery is free from lint, grease and all other forms of contamination.
  • Insert the front tabs of battery tray cover 1 and then press to close it.
  • Insert the mechanical key into the SmartKey.
  • Check the function of all SmartKey buttons on the vehicle.
    See also:

    Convenience opening feature
    You can ventilate the vehicle before you start driving. To do this, the key is used to carry out the following functions simultaneously: • unlock the vehicle • open the side windows • ope ...

    Active Curve System
    The Active Curve System uses active stabilizers to optimize both driving comfort and vehicle agility. Depending on the ADS mode selected (Y page 180), the Active Curve System also changes the ...

    High-beam headlamps
    To switch on the high-beam headlamps: turn the SmartKey in the ignition lock to position 2 or start the engine. Turn the light switch to or or . Press the combination switch beyond th ...