For Lexus RX, Escort MAX 360c Radar Detector is an excellent choice. The design is beautiful The installation is intuitive and easy to use. Additiona...

For Audi e-tron I would take Pioneer DMH-WT7600NEX without hesitation. The sound quality is excellent The installation is intuitive and easy to use. ...

For Buick Terraza I would also consider the brand. Do you need OEM or aftermarket?