Left and Right arrows to move the steering wheel A to start up amber warning lights While the amber lights are on hit S to switch to the stop warning lights. Z, X and C are blinkers Space to turn off any warning lights HOLD V to turn off blinkers Up arrow to make the shifter ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ go into drive and down arrow to make it go into reverse. P to engage parking brake and O to disengage it.
credit to Clk123456789 for saf-t-liner c2 simulator beta