i got in the corrado 6.20 am and it was cold -6.the car started fine so I put blowers on and rear window to defrost it.after about 5 mins it cut out and wouldn't turn over flat battery.ive got a booster starter charger so put that on and it started fine.i drove it for about 2 mile with lights on etc all fine turned it off thinking it wouldn't start but it did start.tried it again tonight and it started fine.battery is about 12 months old and I put brushes in alternator about 4 years ago.earth lead has been off and cleaned last year and new positive lead fitted same time.