Here are some quick solutions to employ if Waze is not working on Android Auto. You can use these to restore navigation on your car.
Hack for OBD2 data on Android Auto and Torque
Using Waze on Android Auto: Setup, Navigation, & Troubleshooting
Waze (for iPhone) Review
Waze Android Auto Freezing or Not Working: How to Fix?
Susanin's Legacy: Waze vs Google Maps vs Maps.me
Last driving trip for the summer? Waze reminds users that they can
How to Get Android Auto Coolwalk, Features, and Release Date
11 Ways to Fix It When Waze Is Not Working
Sound Not Working on Waze? Here's All 7 Known Fixes