-Hook up a keyboard.
-Press "N" on your keyboard.
Problem solved.
GT Sport: Replay and Spectator Keyboard Controls
The Keyboard Controls
* F1: Hides player names above cars.
* F4: Shows player names above cars.
* F9: Hides the HUD (only in spectator mode).
* F10: Shows car information (only in spectator mode).
* F11: Shows racing information (only in spectator mode).
* F12: Shows player information (only in spectator mode).
* 1-9: Changes selected car from 1 to 10 (0 is position 10).
* Q-P: Changes selected car from 11 to 20.
* G: Is Variable Camera type.
* H: Is Standard Camera type.
* J: Is Bumper view.
* K: Is Hood/roof view.
* L: Is Chase camera view.
* Arrow Key down: Is rear view (only in spectator mode).
* Z: Sets a replay marker. (Replay ends at the point where the live race has gotten to, when you press X, C or V.)
* X: Starts a replay 8 seconds before you pressed Z.
* C: Starts a replay 13 seconds before you pressed Z.
* V: Starts a replay 18 seconds before you pressed Z.
Tip: The Keyboard can also be used to type messages.
**References:**
* GTS: Hidden spectator options
* GT Sport Secret Keyboard Controls (and top split gr.3 close racing at Nurburgring)
* Hidden/secret controls while spectating.
https://www.gtplanet.net/forum/threads/hidden-secret-controls-while-spectating.373524/
* GT Sport Online Manual Replays/The Replay Feature
https://www.gran-turismo.com/us/gtsport/manual/#!/replay/content01