Which battery on my hybrid restarts the car using start/stop?

My 2022 Suzuki Vitara 1.4 hybrid has two batteries. One under the bonnet (in the engine compartment) and one under the passenger seat. Suzuki UK has informed me that it is the passenger seat battery that...

What is 'sailing' mode and why does it only work occassionally?

I have purchased a Kia Sportage mild hybrid and it has a system called Sailing where when your are driving and take your foot off the accelerator the engine shuts down and it goes into coasting mode. Then...