Smoking leaves residue throughout a cabin, often visible as yellow-brown film on glass and cleaning cloths.

AVP cleans hard surfaces, windows and compatible textiles, with particular care around headlining and electronics. Cabin filters or heavily contaminated materials may need replacement.

Neutralisation can support the cleaned interior but cannot make ongoing smoking harmless or guarantee that every concealed deposit is gone.

The old claim of a 20 percent resale penalty is not supported by documented research. Smoke history can affect buyer interest, but the market result varies.

For children's health, the appropriate action is not periodic deodorising but avoiding smoke exposure in the vehicle.