Mazda 3 Owner's Manual page 544

Maintenance and Care
Owner Maintenance
CAUTION
Always replace a fuse with a genuine
Mazda fuse or equivalent of the same
rating. Otherwise you may damage the
electric system.
6. Reinstall the cover and make sure that
it is securely installed.
Replacing the fuses under the bonnet
If the headlights or other electrical
components do not work and the fuses
in the cabin are normal, inspect the fuse
block under the bonnet. If a fuse is blown,
it must be replaced. Follow these steps:
1. Make sure the ignition is switched off,
and other switches are off.
2. Remove the fuse block cover.
6–64
3. If any fuse but the MAIN fuse is
blown, replace it with a new one of the
same amperage rating .
Normal
WARNING
Do not replace the main fuse and
multiplex slow blow fuse by yourself.
Have an Authorised Mazda Repairer
perform the replacement:
Replacing these fuses by yourself
is dangerous because they are high
current fuses. Incorrect replacement
could cause an electrical shock or a
short circuit resulting in a fi re.
4. Reinstall the cover and make sure that
it is securely installed.
Blown