The only way that I have found is to pull the battery and put it back in.
You can find a Shell Bell at Hearthome City in Pokemon Platinum.
Get Cheryl out of eterna forest and she will reward you with a soothe bell.
You can find it at Hearthome City.
You give on of your Pokemon the soothe bell and it will get happy faster.(It helped me evolve my eevee and togepi.)
give it a soothe bell
Jay Bell.
To reset a Bell mirror-mounted digital compass, you can usually press and hold a specific button on the device for a few seconds until the display resets. Refer to the user manual of your specific model for detailed instructions on how to reset the digital compass.
there isn't one because tidal bell is for SoulSilver only... xD it lets you get Lugia......... in HeartGold you can get the clear bell for Ho-oh but you cant get the tidal bell in DpT......... (diamond, pearl, platinum)
Give a Soothe Bell it raises happiness.
In the Pokèmon Mansion, (South of Hearthome City) in one of the rooms on the left, there is a maid who gives you a Soothe Bell.
Depending on what you are trying to reset, there is a red reset button on the driverside side panel of the dashboard. If you hold the reset button for 2 seconds the oil light will flash. To clear it, hold the reset button down until you hear the bell ding.
Kristen Bell played El in Heroes but Sylar later killed her.