SPACE - ACCELERATE UP ARROW - GEAR UP DOWN ARROW - GEAR DOWN F - STARTUP U - Change speed units Z - More brake force X - Less brake force R - Refuel M - Change driving mode H - Horn G - Change transmission O, P, L, K - Blinkers How to refuel: 1. Stop the car (0km/h or 0mph) 2. Turn off the engine ([F] button) 3. Hold R to refuel