I hope this is the correct section. I have been having an intermitent problem with the dash on my Laguna II for a little while, where the dash would reset itsself. This would happen about once a week, the whole dash would go off the come back on, as though the car had just been started, the...

Hydraulic tappets. I didn't think that they ever went bad. They always sounded a bit rattly on startup since 80,000miles, but they seem to have be sounding worse lately (140,000). I didn't think that Hydraulic tappets went bad like that. Do I need to change them? If so I imagine I should do...