See also:

Remove unnecessary cargo
Additional weight increases fuel consumption. ...

Mobile communication devices in the vehicle
Mobile communication devices in the vehicle It is not recommended to use mobile phones, such as mobile phones without a direct connection to an external aerial in the vehicle's passenger comp ...

Functional requirements
▷ There are no external sources of interference nearby. ▷ To lock the vehicle, the remote control must be located outside of the vehicle. ▷ The next unlocking and locking cycle ...