Just heard ten minutes ago from my son who has borrowed my 2000 s500 telling me he has reset the clock via the radio in the car.
The clock on a 2004 Civic can be set using the preset buttons. Hold down the scan button on the radio and it will allow the clock to be adjusted.
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reverse backwards for 200 yards then use the buttons on the side of the clock
how to set time on Renault megaine 59 plate no buttons
Gently pull the black plastic knob (located at the left side of the clock) out toward you, and turn either clock-wise or anticlock-wise as needed.
check your fuse and then take it out and then when you reconnect it your clock should say or flash 12:00/0:00 hope that helped
Push the set button and within 10 seconds push the seek and scan buttons to change time.
Read the owners manual or if you don't have it see related question below..
You hold down the up and down buttons to the right of audio button
under the pasenger side dash
You need to switch off the stereo and then you can use the buttons next to the clock to change the time. this also changes the time on the stereo.