This update introduced "Cold and Dark" starts, where you must manually power up the train using the switchboard. : The switchboard is located at the rear of the driver's cab.
Insert the door key into the control panel and use the for opposite-side doors. Gameplay & Modes hmmsim-metro-switchboard-early-access-rar
Set the to the correct position matching the power source. This update introduced "Cold and Dark" starts, where
: Use the Space Bar for the Deadman's Switch (DSD) while adjusting the Reverser with the Up/Down arrows. hmmsim-metro-switchboard-early-access-rar
To fully open the switchboard door, you must first . Startup Procedure (General) :