Before I rinse the windshield, could you show me where the tap is?

How to say “Before I rinse the windshield, could you show me where the tap is?” in Japanese

In Japanese

フロントガラスを水(みず)で流(なが)したいんですけど、蛇口(じゃぐち)はどこにありますか？

Furonto garasu o mizu de nagashitai n desu kedo, jaguchi wa doko ni arimasu ka?

Before I rinse the windshield, could you show me where the tap is? in other languages