Car OBD Activator Activation Tool Fit for NTG5S1 A/B/CLA/GLA// Series. Item Type: OBD Activation Tool. NTG5S1 (for A/B/CLA/GLA// Series). Plug & Play! Just need insert to obd port than active 1 minute to work! Unlimited use! If for Android auto non apparel, push star button near menu roller. in second line add application (+ ). scroll the menu until find for "android auto". click on it. now extra menu is on main menu option Note: Please refer to the compatible model year to purchase, if you are not sure, please contact us before purchasing to avoid unnecessary returns. Compatible Models(COMAND for NTG5s1):, Fit for A-Class W176 Date of manufacture from 07.2016 to 07.2017, Fit for B-Class W246 Date of manufacture from 07.2016 to 07.2017, Fit for E-Class W213 Date of manufacturefrom 07.2016 to 07.2017, Fit for CLA-Class W117 Date of manufacture from 07.2016 to 07.2017 Fit for GLA-Class W156 Date of manufacture from 07.2016 to 07.2017, Fit for -Class W166 Date of manufacture 07.2016 to 07.2017, Fit for Coupe W292 Date of manufacture 07.2016 to 07.2017, Fit for -Class X166 Date of manufacture 07.2016 to 07.2017, Fit for -Class W218 Date of manufacture 07.2016 to 07.2017 (If your headunit is old version, the function not normal work or can not be opened, you need update your hedunit to latest version online ,also it can not support for cars) Please don't insert this OBD tool for unsupported models, or you need take all consequences Instructions: 1.Turn to ACC( do not start the engine) 2. Plug this OBD tool to car's OBD diagnose socket. (position: Under the steering wheel near the A-pillar) 3. Your car's screen display DIAG and waiting for restart. 4. Your car's headunit restart and enter into menu after 10 seconds. 5. Unplug the OBD tool and conn your phone, follow the prompts to confirm! Function activated and perfect running! Important Notice: 1. Must that the for option of your