Q: Does the LDS interface replace a hands-free system and can I also use it to make phone calls? A: No. The included microphone is only for the Voice control used. You must make your phone calls using your Bluetooth hands-free system. Q: Does the LDS interface feeds picture and sound into the multimedia system of my vehicle? A: No. Only the video image signal is fed in. Your multimedia system must have an AUDIO-AUX input to operate the LDS interface. With some LDS interfaces we deliver an AUDIO-AUX input adater. Q: Can I e.g. use Google Maps via the LDS interface and listening to the radio or CD at the same time via the multimedia system in the vehicle? A: No. If you use the LDS interface, you have to have set the AUDIO-AUX input in your multimedia system. Q: Can you use the HDMI socket on the LDS interface to connect an HDMI signal source and play it on the multimedia system from my vehicle? A: No. The HDMI socket is not an HDMI input and will only used in a few cases for external additional modules. Q: Can you use Android Auto wirelessly with all Android smartphones use in the vehicle? A: No. Only a very few Android smartphones can use Android Auto wirelessly. For most smartphoneelse a cables is used.