3…….……….PRECAUTIONS: Please read before you start the installation Please study these instructions carefully before installingNavTool interface. Many new vehicles use low-voltage or data-bus systemsthat can be damaged by test lights and logic probes. Testall circuits with a digital multi-meter before makingconnections. Do not disconnect the battery if the vehicle has ananti-theft-coded radio, unless you have the radio code. If installing an external push button switch, check withthe customer about where to install the switch. To avoid accidental battery drainage turn off the interiorlights or remove the dome light fuse. Roll down a window to avoid being locked out of the car. Use of this product in a manner different to its intendedway of operation may result in property damage, personalinjury, or death. Set Parking brake. Remove the negative battery cable. Protect fenders before starting. Using protective blankets to cover front seats, interior ofthe vehicle and center console. Always install a fuse 6-12 inches away from NavToolinterface, 5 amp fuse should be used. Always secure interface with Velcro or double side tape toprevent rattling of the interface. When securing NavTool interface make sure that panelscan be closed back easily. Use electrical tape on all you connections and splices, donot leave any exposed connections. Route all wires along factory harnesses, try not to drill ormake any unnecessary holes. Make sure you are not connecting to any data wires;always check your connections with a multi-meter. Always use help of a professional installer to prevent anydamage to the vehicle or NavTool interface.