The direct answer
Take out the mats. Vacuum slowly in several directions and loosen grit with a soft brush. Treat remaining marks with a carpet-safe cleaner and as little liquid as needed.
Do not hide a wet problem
Blot or extract dirty liquid and repeat light passes instead of flooding the floor. Dry mats outside and air the cabin safely. If carpet is wet from a leak or flood, cleaning the top is not enough; padding and wiring may also be wet.
DIY Snapshot
- Difficulty: Easy–Moderate
- Time: About 1–2 hours plus drying
- What you need: Vacuum, soft brush, towels, and compatible carpet cleaner
- Estimated DIY cost as of August 2026: About $15–$40 if you own a vacuum
- Good beginner DIY?: With caution
- Consider a professional if: Water reached padding, a leak is active, odor remains, mold-like growth appears, or wiring may be wet
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