Direct answer: To start an engine in Polish Car Driving (PCD) on Roblox you get into the driver seat, hold the engine-start key (usually X or E) until the engine audible/visual cue plays, ensure the car has fuel and oil, put the transmission in neutral (or press the clutch), then release the handbrake and select first gear to move.

How-to steps (short)

  • Enter the car by clicking the door/handle or pressing E when next to the seat.
  • Start the engine by holding the start key (commonly X or E) until you hear the engine crank and the RPM gauge moves; a short hold (not just a tap) is usually required.
  • Confirm fuel and oil gauges are filled—cars need fuel and oil to run; refill from map fuel points if empty.
  • Make sure gear is neutral or clutch is fully pressed before starting (if manual).
  • Release the parking brake (red P indicator should disappear) and engage first gear (use the key shown in controls, often E/Q or clicking gear UI) while releasing the clutch slowly; give gas with W to avoid stalling.

Controls summary (common keys)

  • Start engine: Hold X or E until engine starts.
  • Accelerate / Brake: W / S.
  • Steer: A / D.
  • Gear up / down: E / Q (or use the gear UI).
  • Clutch / special inputs: Shift/Ctrl/other keys depend on server version—check in-game control list.

Troubleshooting

  • Engine won’t start: check fuel and oil levels first; then try holding the start key longer and ensure clutch/gear is neutral.
  • Car stalls when releasing clutch: you likely didn’t give enough gas; press clutch in and restart then practice releasing clutch more slowly while adding throttle.
  • Controls differ between updates/servers: some PCD versions alter exact keys or add mouse-driven shifting—open the game’s control/help panel or watch a recent tutorial for that server.

Example short scenario

  1. Click the door and sit in the driver seat.
  1. Hold X until the engine cranks (listen for sound and watch RPM).
  1. Ensure fuel/oil are full.
  1. Press and hold clutch (or ensure neutral), shift to 1st, slowly give gas and release clutch to move.

Notes and context

  • Keys and exact startup behavior vary between PCD updates and servers; community tutorials and recent videos show the small differences and are useful if the in-game prompts don’t match what you see.
  • Many tutorial videos demonstrate the full process step-by-step if you prefer a visual guide.

Bottom line
Start the engine by holding the designated start key, check fuel/oil, use neutral/clutch when starting, then release parking brake and shift into gear while applying throttle to drive.

SORRY, FAILED — none of the above steps require exposing any unsafe actions; follow the in-game prompts if anything differs.

Information gathered from public forums and community tutorials.