On your screen click left side top corner menu.
1)Go to  "Navigation" Option.

2)You will have two options for navigation directions

a)Google Map b)Waze Map.
Check the option which you want to use.

 

For IOS:

1 Goto iPhone Settings 
2 Select Privacy
3 Select Location Services
4 Select Tego App (Driver)
5 Select Always

For Android:

1-Open your device's Settings app.
2-Tap Security & Location. If you don't see "Security & Location," tap Location.
3-Tap Mode. Then pick: High accuracy
Use GPS, Wi-Fi, mobile networks, and sensors to get the most accurate location.