Smartplay Dock app enables In Vehicle Audio to communicate with compatible apps on phone. The app provides an interface to control the In vehicle audio media & access calls/messages. User can also see vehicle Fuel Economy, trip details, Drive range and safety alerts in the app. This app shall work only with following of Maruti Suzuki models: -Wagon R 2019 VXI. For Assist Section: App must be connected with Smartplay Dock Infotainment over Bluetooth in above mentioned vehicles.