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

https://online-wiki.win/index.php/Exploring_the_Different_Types_of_Tinting_Options_After_Windshield_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.