Updates and improvements:

Added:

Air suspension (development: Ryhan.N, refinement: Andronisk);
Towbar;
Roof rack;
Smooth ignition of low and high beam;
Smooth ignition of backlight and interior light sources;
Animation of gearbox lever (development: Ryhan.N);
US license plates.
Corrections:

Increased brake disk size;
Increased braking power, added distinction between brake types;
Improved front suspension force-feedback;
Light sources in the cabin cast better shadows;
Fixed lunge control;
Suspension height and headlight illumination increased;
Corrected turn signal animation when turning off/on the engine;
Corrected interior camera position.
Auto-Hold features:

When the engine is turned off, Auto Hold is disabled and the brake light goes out;
When the engine is off and the automatic transmission is in N or P, the parking brake is automatically applied when the vehicle is stationary;
Parking Brake can be manually engaged/disengaged when the transmission is in N or P position;
Auto Hold can be activated/deactivated via a trigger.
Air Suspension Features:

Lowers when engine is shut off;
Raises to the center position when the engine is started;
Can be adjusted manually with the engine running (at minimum and maximum height only works up to 30 km/h).