1. The headunit must be installed and maintained by professionals.
2. Warranty does not cover damage caused by non professional installation and other human fault. Non professional could also face electric shock danger.
3: Be careful when plug & unplug the connectors. Great strength might damage the wires and pins.
4: Use only the connectors comes with this unit, or it could damage the headunit even the vehicle.
5: Insulate all the wires not used at the time being.
6: Disconnect battery before installation to avoid short circuit risk.
7: Well plan all wiring route to avoid intervention to moveable parts like Steering wheel, gearlever, brake pedal etc…