Volkswagen Golf GTI 2016 Owner's Manual page 1123

heed the WARNINGS →
Introduction
Always follow the instructions for the power washer. This especially
applies to the pressure and spraying distance → .
Make sure there is enough distance to soft materials such as rubber
hoses or insulating material as well as the sensors of the Park
Distance Control system (if equipped). The Park Distance Control
system sensors can be found in the rear and, if applicable, front
bumper → .
Make sure there is enough distance to soft materials such as rubber
hoses or insulating material.
Never use concentrated jet nozzles or so-called dirt blasters → .
Never use a power washer to clean the engine compartment
→ Cleaning the engine compartment .