Nissan X-Trail 2024 Owners Manual
7.10.2.2.CO2saved and engine stop time
There are two CO2 counters, one lifetime and one that can be reset.
The CO2 saved and engine stop time mode shows:
The CO2 saved shows the estimated quantity of CO${1} exhaust emissions that were prevented by the Stop/Start System every time the engine is automatically stopped or since the last reset, or in vehicle's life time.
The engine stop time shows the time that the engine has been stopped by the Stop/Start System since the last reset, or in vehicle's life time.
Owners Manual