question on correcting" can not left turn"

[wjm]

Hi,

THe new 710 version map in my XL.s have some wrong "can not left turn" points even in main 2 left turn lanes crosssection, I try to correct it but noway to change it, user can only add "can not left turn" but cancle. Any one can tell me how to correct this kind map error at least for my device.

Thanks