Racing App Checkpoint Noise

When taking part in a race normally whenever you pass over a checkpoint it will make a noise to confirm you've hit the checkpoint. Currently this is not working and no noise is played when completing a checkpoint

1) Join race

2) Take part in race

3) Drive through checkpoint.

4) Listen for audible queue when hitting a checkpoint.

Expected Behavior: When doing this, passing checkpoint will play an audible queue to indicate you've hit the checkpoint successfully.

Actual Behavior: No checkpoint queue is played through audio when driving over checkpoint