Windshields are designed to be strong but not indestructible; avoid putting undue pressure on them by leaning against

https://wiki-burner.win/index.php/Understanding_the_Warranty_Options_for_Auto_Glass_Replacement

Windshields are designed to be strong but not indestructible; avoid putting undue pressure on them by leaning against them when entering or exiting the vehicle to prevent cracks.