My own experience combines most of the above lol...
I was also going through the ritual of key in, key out, lock on, lock off for a few days thinking it was
/Immobiliser related. Then found this forum and last night cleaned my
. Car started fine all evening after that. So the immobiliser is now out of the picture. Last night I however concluded that the initial problem actually happened mostly when the car was cold but also occasionally during the day... and I was proved right this morning when it took me over 10 attempts at starting. I only drove 5 miles to work, parked the car at 5 this morning. I tried the car just now and it started first time...
So my thoughts are that I cleaned the
which will help starting issues at all times (hot or cold) but I am now left with a 'first thing in the morning' cold start issue. What should my next step be?
Someone pointed towards the Coolant Temperature Sensor?
Could the battery be a bit weak - I can get this checked easily today?