قَالَ فَإِنِ ٱتَّبَعْتَنِى فَلَا تَسْـَٔلْنِى عَن شَىْءٍ حَتَّىٰٓ أُحْدِثَ لَكَ مِنْهُ ذِكْرًا ٧٠
He said, "Then if you follow me, do not ask me about anything until I make to you about it mention [i.e., explanation]."
Your location stays on this device and is only sent, rounded to about 1 km, to fetch the times.