Is Fiat battery replacement in Dubai different from other cars or pretty straightforward?

Hi everyone, so I've been driving my Fiat 500X here in Dubai for just under two years and overall I've had a pretty good experience with the car but I'm starting to get a bit anxious about the battery situation heading into the really intense summer months. The reason I'm asking specifically about Fiat is because I've noticed that whenever I search for battery information online most of the results are aimed at Toyota or Nissan owners and the advice doesn't always feel relevant to a European car with different electronics and a different way of managing power. My battery hasn't completely failed yet but I had one morning recently where the car just felt hesitant starting up and then was completely fine the rest of the day, which I know from past experience is one of those early warning signs you shouldn't ignore. A coworker told me she went through something similar with her car last year and left it too long and ended up stranded in a mall parking lot on a Thursday evening which sounds absolutely miserable. I looked into Fiat Car Battery Replacement Dubai services to understand what the process involves for this specific make and was a bit relieved to find that it's not as complicated as I feared, though there are still some things to be aware of in terms of making sure the replacement matches the original battery specs properly. What I'm genuinely unsure about is whether I should get a diagnostic done first to confirm it's actually the battery causing that hesitation or whether at this mileage and in this climate it makes more sense to just replace it proactively and be done with it before something worse happens at an inconvenient time.