See also:

Interiors
Periodically check that water is not trapped under the mats (due to water dripping off shoes, umbrellas, etc.) which could cause oxidisation of the sheet metal. CLEANING SEATS AND FABRIC AND VELVET ...

Suspensions
...

Radio transmitters and cellular telephones
Radio transceiver equipment (e.g.: etacs mobile phones, HAM radio systems and the like) shall not be used inside the vehicle unless a separate aerial is mounted on the roof. IMPORTANT The use of ...