1. Original car Bluetooth is not available, you have to use the head unit’s Bluetooth box to work with answer call button on steering wheel.
2. Original USB-disk connection near hand brake is not available, you can use the unit ‘ s USB-disk connection.
3. Radio antenna plug needs to be replaced and amplified (+12V) by a line labeled “ANT-C” or “AUTO ANTTENA” from the unit’s harness. With plug & play aerial adaptor, you don’t have to cut factory wires.
4.The biggest advantage is that this head unit is compatible with original digital amplifier.