A modern F1 steering wheel features around 25 buttons, rotary switches, and toggles, alongside a central OLED display screen.
Key Buttons & Functions
| Button / Control | Label | Function |
| Drag Reduction System | DRS | Opens the rear wing flap on designated straights to reduce drag and increase top speed. |
| Overtake / Pass | OT | Instantly deploys maximum electrical power from the MGU-K for overtaking or defending. |
| Pit Lane Speed Limiter | PL / PIT LIM | Limits car speed to the pit lane speed limit (typically 80 km/h). |
| Radio Push-to-Talk | RADIO | Opens a two-way radio communication channel with the race engineer. |
| Neutral / Reverse | N | Shifts the gearbox into neutral or enables reverse when selected. |
| Acknowledge / Accept | OK / ACCEPT | Confirms engineer instructions or clears system alerts on the display screen. |
| Mark Event | MARK | Creates a timestamp flag in team telemetry data when a driver notes an issue on track. |
| Brake Balance Adjustment | BB- / BB+ | Thumbwheels on handgrips allowing instant adjustments to front-to-rear brake pressure split. |
| Differential Rotaries | DIFF | Multi-position dials fine-tuning rear axle torque transfer during corner entry, mid-corner, and exit. |
| Engine Strategy | STRAT | Selects engine performance maps and hybrid energy recovery profiles. |
