Join Date: Jan 2007
Nominated 6 Times in 11 Posts
TOTW/F/M Award(s): 5
Thanked 1,639 Times in 1,303 Posts
First step would be to get the battery and alternator checked out (load tested). All The symptoms you describe are similar / like what happens when the battery is playing up / not giving out enough charge.
Most motorist centres will do you a free battery / load check for you in the hope of a sale.
Currently in dave_mezza2006's garage:
2014 Vauxhall Astra Limited Edition 1.4 16v VVT Turbo