There are a few engine size options available across variants - 1.4 L, 1.6 L, and 2.0 L.
Economy mode is a power saving mode, intended to prevent the battery from going flat, when the ignition is on without the engine running, by cutting power supply to unimportant items. It turns off when the engine starts.
Filter should be changed with every oil change.
The lever for the bonnet release is on the passenger side on the left.