My Nissan 200SX is 5.5 years old and I think the battery is a bit tired. It's been parked up for about 10 days and this morning the alarm went off for no good reason and when I went to check it out the door locks were sluggish and the thing would not turn over.
I'm not sure if it's worth trying some sort of additive or just getting a new battery. Finding prices online seems next to impossible - I found one website wanting £40.50+VAT including free delivery from
Thanks, Tim.