Ive had spurious alarms and occasional flat batteries for a while now. And also heard various beeps and buzzes when working near the car (message:interior light on / off) Recently noted the faint glow of the P light on the gear shift is on most of the time. Read all about the radio interference keeping the car awake, or waking it up repeatedly.
It all seems to be getting worse recently, flat battery replaced with a charged one this morning, bugger of a job getting alarm and immobiliser working with the emergency key code,disconnected the remote antenna on the back, finally got it going and went for a short run in it. All OK. Came to use it this evening......battery flat .......put recharged original battery back in, went for a longer run and have parked in a different position on the driveway, locked it on the key. Just checked and it seems to be asleep now (no red glow on the P), We'll see what happens in the morning.
Anybody got any suggestions / advice (apart from selling the thing...)