https://www.theguardian.com/lifeandstyle/2025/mar/30/why-dont-the-side-doors-of-cars-have-wipers-on-the-windows

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

Why don’t car side doors – particularly the driver’s side and the passenger seat – have wipers on the windows? Lenny Denby, London