My sat nav has recently gone down in my 63 plate Clio RS Cup model. stating ‘no maps found.’( Tried, re booting, taking SD card out & leaving, disconnecting from battery etc- nothing.) Prior to this, my alarm had been going off throughout the day on & off for no reason?! Sensors were checked, no faults were found.Were they linked? Now, satnav dead, alarm stopped!! Garage advice, ‘needle in a haystack?’ I can’t be the only one? It’s an R link. Can anyone advise please?