Mazda 3 Owner's Manual page 209

When Driving
i-ELOOP
A capacitor is incorporated as the device for storing the generated electricity, which can
store and use large amounts of electricity instantly.
Variable
Voltage
alternator
CAUTION
High-current electricity fl ows through the following areas, therefore do not touch them.
Variable Voltage alternator
DC-DC converter
Capacitor
NOTE
When installing high power consumption devices such high-output speakers, consult an
Authorized Mazda Dealer.
A difference in the fuel economy may occur depending on use conditions such as with the
A/C and headlights.
If the capacitor is to be disposed of, always consult an Authorized Mazda Dealer. For
details, go to the following URL.
http://www.mazda.com/csr/environment/recycling
4–84
DC-DC Converter
Capacitor