The AWD LOCK indicator light is illuminated when the AWD LOCK button is pushed. The purpose of this AWD LOCK mode is to increase the drive power when driving on wet pavement, snow-covered roads and/or off-road.The AWD LOCK indicator light is turned off by pushing the button again.
CAUTION
Do not use AWD LOCK mode on dry paved roads or highway, it can cause noise, vibration or damage of AWD related parts.
Hyundai Tucson (LM) 2010-2015 Service Manual: Special Service Tools
Special Service Tools
ItemIllustrationApplicationFuel Pressure Gauge(09353-24100)Measuring the fuel line pressureFuel Pressure Gauge Adapter(09353-02100)Connection between the high pressure fuel pump and the fuel feed lineHeated Oxygen Sensor Socket Wrench(09392-1Y100)Removal and installation o ...
Hyundai Tucson (LM) 2010-2015 Service Manual: 4WD ECU Repair procedures
Replacement
1.
Prior to replacing the 4WD ECU, check the 4WD ECU's clutch learing with the GDS tool.
(Refer to 4WD Control System - "Adjustment")
2.
Disconnect the battery negative cable from the battery
3.
Disconnect the 4WD ECU connector (A).
4.
Loosen the nust (A) and then remo ...