Stock Satsuma, upgraded and there are keys to gifu and hayoshiko, lots of food and also beer in the pantry, gifu is near where the firewood is and hayoshiko is near the satsuma.

Installation instructions:

Press the Win+R key combination to open the "Run" window.
In the line that appears, enter %appdata% and click the "OK" button.
In the folder that opens, find the LocalLow directory.
Go to LocalLow > Amistech > My Summer Car
Extract the save files from the downloaded archive to this folder, replacing the existing ones.
Done! You can launch the game and enjoy driving a pumped-up Satsuma.

Author: 0_02169