Apparently there are some problems with the latest updates Waze and enabling audio for voice guidance, which may cause some users to get the sound in another language or with very low sound.
Regarding the sound volume are working from Waze team to fix it, but with the TTS audio settings should work fine in another language.
The first step is to select the Settings menu from the App Waze and choose Configure.
Step 1 Selection settings
After the selections listed click on Sound.
Step 2 Set sounds
In the new menu, set the concepts of TTS in the directory Navigation menu has equaled those of Android, so there is a small gap between what summary and then goes in the sound menu.
Step 3 TTS system
Of the three options coming out, select a different we have and keep, this will restart the TTS system and will run us right again to restart the app, it may even be necessary to restart the iPhone in some cases.
Step 4 Selection TTS level Waze
If you're still having problems with the audio Waze, leave us a comment we will try to repeat it.