This warning light indicates a malfunction of either the generator or electrical charging system.
If the warning light comes on while the vehicle is in motion:
1. Drive to the nearest safe location.
2. With the engine off, check the generator drive belt for looseness or breakage.
3. If the belt is adjusted properly, a problem exists somewhere in the electrical charging system. Have an authorized HYUNDAI dealer correct the problem as soon as possible.
Hyundai Tucson (LM) 2010-2015 Service Manual: 26 Brake Control Solenoid Valve(26/B_VFS) Repair procedures
Inspection
1.
Turn ignition switch OFF.
2.
Disconnect the solenoid valve connector.
3.
Measure resistance between sensor signal terminal and sensor ground terminal.
4.
Check that the resistance is within the specification.
Removal
Replacing an on/off soleno ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Front Hub / Knuckle / Tone Wheel Repair procedures
Removal
1.
Remove the front wheel and tire (A) from front hub .
Tightening torque:
88.2 ~ 107.8 N.m (9.0 ~ 11.0 kgf.m, 65.0 ~ 79.5 lb-ft)
Be careful not to damage to the hub bolts when removing the front wheel and tire (A).
2.
Remove the brake caliper mounting ...