Division 3.2 If there is no predominant mode or if there is a predominant mode but this mode does not enable the vehicle to follow the reference test cycle under charge-sustaining operating condition, the mode for the test shall be selected according to the following conditions:

If there is only one mode which allows the vehicle to follow the reference test cycle under charge-sustaining operating conditions, this mode shall be selected;

If several modes are capable of following the reference test cycle under charge-sustaining operating conditions, it shall be at the option of the manufacturer either to select the worst case mode or to select both best case mode and worst case mode and average the test results arithmetically.