[. . . ] When carrying out installation work and making connections please observe the following safety instructions: · disconnect the negative terminal of the battery! [. . . ] ⷠDepending on the model, your vehicle may differ from the description provided here. We accept no responsibility for any damages due to incorrect installation or connection or for any consequential damages. If the information provided here is not suitable for your specific installation requirements, please contact your Blaupunkt dealer, your vehicle manufacturer or our telephone hotline. When installing an amplifier or changer, you must first connect the device earth connections before connecting the plugs for the line-in or line-out jacks. [. . . ] Use or distribution of such technology outside of this product is prohibited without a license from Microsoft. [. . . ]