12
may be weakened if device is installed in the place
with electromagnetic wave absorption material(such
as metal blocks), special attention should be paid if
there is metal thermal insulation layer or heating
layer on the front windshield, so that the position
accuracy will decline, and the severe ones will not
be positioned.
6.4 Position drift
Serious position drift will be found in places where
GPS signal is poor. Please drive the vehicle to the
open places.
6.5 Commands receiving abnormally
1
）
Check the commands format.
2
）
Check if the vehicle is in the places where there
is GSM signal.
3
）
Check if the SIM card is properly installed.
Ⅶ. Warranty Rules
7.1 Special statement
1
）
Technology change without notice.
2) If the color and appearance are inconsistent with
those for the actual product, the latter will prevail.
