Hyundai Tucson: Warnings and indicators / AWD system warning light (if equipped)
When the ignition switch is turned to the ON position, the AWD indicator will illuminate and then go off in a few seconds.
If the AWD system warning light illuminates, this indicates that there is a malfunction in the AWD system.
If this occurs, have your vehicle checked by an authorized HYUNDAI dealer as soon as possible.
DBC (Downhill brake control) indicator
The DBC indicator will illuminate when the DBC button is pressed and the system
is on.
When driving down a steep hill at a speed under 22 mph (35 km/h), the DBC will
activate and the DBC indica ...
AWD LOCK indicator (if equipped)
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 ...
Other information:
Hyundai Tucson (LM) 2010-2015 Service Manual: Troubleshooting
Troubleshooting
Trouble SymptomProbable causeRemedyVehicle pulls to one sideScoring of driveshaft ball jointReplaceWear, rattle or scoring of wheel bearingReplaceDefective front suspension and steeringAdjustment or ReplaceVibrationWear, damage or bending of driveshaftReplaceDriveshaft rattle an ...
Hyundai Tucson (LM) 2010-2015 Service Manual: CVVT Oil Control Valve (OCV) Description and Operation
Description
Continuous Variable Valve Timing (CVVT) system advances or
retards the valve timing of the intake and exhaust valve in accordance
with the ECM control signal which is calculated by the engine speed and
load.
By controlling CVVT, the valve over-lap or under-lap occurs,
which m ...
