Mazda 6 Manual page 481

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 by
yourself. Have an Authorized Mazda
Dealer perform the replacement:
Replacing the fuse by yourself is
dangerous because the MAIN fuse is
a high current fuse. Incorrect
replacement could cause an electrical
shock or a short circuit resulting in a
fire.
4. Reinstall the cover and make sure that
it is securely installed.
Blown
Maintenance and Care
Owner Maintenance
6-59