Transmission and reception of these devices may be affected by the shielding effect of the car body. As far as the use of EC-
approved mobile phones is concerned (GSM, GPRS, UMTS, LTE), follow the usage instructions provided by the mobile phone
Manufacturer.
WARNING The use of these devices inside the passenger compartment (without an external aerial) may cause the electrical
systems to malfunction. This could compromise the safety of the car in addition to constituting a potential hazard for
passengers' health.