Fiat 500 C Owner's Handbook Manual page 210

1) KEYS - REMOTE CONTROL
Used batteries should be disposed of, as specified by law, in
the special containers, otherwise take them to a Fiat
Dealership, which will deal with their disposal.
2) CLIMATE CONTROL SYSTEM
The system uses R1234yf coolant, which is compatible with
the laws in force in the countries where the vehicle is sold.
When charging, only use the gas indicated on the plate in the
engine compartment. The use of other coolants affects the
efficiency and condition of the system. The lubricant used for
the compressor is also strictly linked to the refrigerant gas type,
refer to the Fiat Dealership.
3) SERVICING - CHECKING FLUID LEVELS
• Used engine oil and oil filters contain substances which are
harmful to the environment. To change the oil and filters, we
advise you to contact a Fiat Dealership.
• Used transmission fluid contains substances that are harmful
to the environment. It is advisable to have the oil changed by a
Fiat Dealership where it will be disposed of respecting the
environment and according to legal requirements.
• Batteries contain substances which are very dangerous for the
environment. It is advisable to contact a Fiat Dealership for
battery replacement.
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ENVIRONMENTAL PROTECTION
4) MAINTENANCE - BODYWORK
Detergents pollute the environment. Only wash your vehicle in
areas equipped to collect and treat wastewater from this type of
activity.