Nozzle System for Cleaning a Vehicle Part, In Particular a Window of a Motor Vehicle, and Cleaning Method

A nozzle system for cleaning a vehicle part of a motor vehicle includes a nozzle body having a nozzle for applying a cleaning liquid to the vehicle part. A fluid line arrangement is configured for connection to a fluid-based cleaning system of the motor vehicle in order to conduct the cleaning liquid to the nozzle body. An electrically conducting heating wire runs through the fluid line arrangement and through the nozzle body. The heating wire has a first portion with a first cross section and a second portion with a second cross section where the first cross section is larger than the second cross section.