Hi there! I understand you're having trouble connecting to your car using the MyNISSAN app. To help you better, could you share a bit more? For example, are you able to open the app and log in, but the connection to your vehicle fails? Or does the app not respond at all? Also, is your vehicle a newer model, and do you know if it has an active internet connection or data plan?

Meanwhile, here are some initial steps that often help with connection issues:

1. Check Vehicle Internet Connection: Ensure your vehicle has a stable internet connection. Some features rely on this to communicate with the app.

2. Restart Your Vehicle’s Infotainment System: Turn off your car completely, wait for about 30 seconds, and then restart. This refresh can clear temporary glitches.

3. Verify Your Phone’s Connection: Make sure your smartphone has active internet (Wi-Fi or cellular) and that the app has permission to use the network.

4. Update the App: Check if you have the latest version of the MyNISSAN app installed from your app store.

5. Log Out and Back In: Sometimes, signing out of the app and signing back in can reset the connection.

Would you kindly try these steps and let me know what you observe? I can guide you further based on your situation. Also, if you've already tried any, feel free to share that with me!