The Northeast monsoon (Oct–Dec) is brutal on Chennai cars. Salt-laden coastal rain accelerates rust, flooded streets push silt into brake drums, and 90% humidity turns interiors into mould incubators. Here’s how the SpotShine team protects 500+ Chennai cars every season.
1. Wash within 24 hours of any rain
Rainwater in Chennai is mildly acidic and salt-laced — it bonds to paint within 48 hours. A simple pH-balanced wash within 24 hours prevents 90% of clear-coat etching.
2. Apply a hydrophobic spray sealant
One bottle (₹450) lasts 3 monsoons. Lay it down before October.
3. Underbody rinse, not pressure
High-pressure under the chassis pushes silt into bearings. Use a low-pressure rinse with a surfactant.
4. Wax wheel arches
Cheap insurance against rust on a part nobody inspects.
5–12. Interior, electrics, AC, drainage and more
Read the rest in our long-form guide. The biggest interior issue is door-rubber-seal mould — wipe with a 1:10 vinegar solution monthly during monsoon.
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