Sony XAV-A1 - Manual (Page 15)

15
Note
To avoid the possibility of damage, you
should not use a needle or push the
button too strongly.
3 After Installation and Connections
1
Start the car’s engine.
2
Verify that the brake lights, other lights, horn, turn
indicators, and all other electrical parts operate
normally.
3
Use a mechanical-pencil or similar to push the Reset
button on the unit.
When you press the Reset button, the system becomes
operative.
Reset button