Lexus NX350h (2022 year). Manual in english - page 41
Once the hybrid system starts, have the vehicle inspected at your Lexus dealer as soon as possible.
WARNING
After recharging the 12-volt battery, have the 12-volt battery inspected by your Lexus dealer as soon as possible. If the 12-volt battery is deteriorating, continued use may cause the 12-volt battery to emit a malodorous gas, which may be detrimental to the health of passengers.