2004 Honda Civic Owner's Manual - Page 203

Fuses If you cannot drive the vehicle without fixing the problem, and you do not have a spare fuse, take a fuse of the same rating or a lower rating from one of the other circuits. Make sure you can do without that circuit temporarily (such as the accessory power socket or radio). If you replace the blown fuse with a spare fuse that has a lower rating, it might blow out again. This does not indicate anything wrong. Replace the fuse with one of the correct rating as soon as you can. NOTICE: Replacing a f use with one that has a higher rating greatly increases the chances of damaging the electrical system. If you do not have a replacement f use with the proper rating f or the circuit, install one with a lower rating. 6. If the replacement fuse of the same rating blows in a short time, there is probably a serious electrical problem in your vehicle. Leave the blown fuse in that circuit, and have your vehicle checked by a qualified mechanic. Standard for HX, LX and EX models in the U.S., and LX and Si models in Canada BLOWN 4. Check the smaller fuses in the under-hood fuse box and all the fuses in the interior fuse box by pulling out each fuse with the fuse puller provided in the under-hood fuse box. 5. Look for a burned wire inside the fuse. If it is burned, replace it with one of the spare fuses of the same rating or lower. If the radio fuse is removed, the audio system will disable itself. The next time you turn on the radio you will see '' '' in the frequency display. Use the preset buttons to enter the five-digit code (see page 107 ). On all models When the audio system is disabled, the clock setting in the audio system will be canceled. You will need to reset the clock according to the instructions in the audio system section on this owner's manual. 200 Taking Care of the Unexpected