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: Valve Body Description and Operation
Description
The valve body is essential to automatic transaxle control
and consists of various valves used to control the oil feed from the oil
pump.
Specifically, these valves consist of pressure regulator
valves, oil redirection valves, shift valves, and manual valves. ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Troubleshooting
Troubleshooting
SymptomPossible causeRemedyOne lamp does not light(all exterior)Bulb burned outReplace bulbSocket, wiring or ground faultyRepair if necessaryHead lamps do not lightBulb burned outReplace bulbIgnition fuse (LOW:10A, HIGH:20A) blownCheck for short and replace fuseHead lamp fuse (1 ...