Other information:
If a traffic sign that is relevant to your vehicle is passed, the system
displays the information of the speed limits and no passing restrictions to
the driver.
When the driver turn on the ignition, the system displays stored information
of the speed limit before turn off the ignition.
So ...
Inspection
1.
Connect the battery voltage and check the blower motor rotation.
2.
If the blower motor does not operate well, substitute with a known-good
blower motor and check for proper operation.
3. ...