To deactivate Isuzu Text:

Type<STOP>and send to Isuzu Text (0917-81-ISUZU(47898) / 0918-99-ISUZU (47898)).

To reactivate Isuzu Text:

Type<GO>and send to Isuzu Text (0917-81-ISUZU (47898) / 0918-99- ISUZU (47898))