Hyundai Sonata LF 2014-2019 Owners Manual: Heated Steering Wheel
When the ignition switch is in the ON position or when the engine is running,
press the heated steering wheel button to warm the steering wheel. The indicator
on the button will illuminate.
To turn the heated steering wheel off, press the button again. The indicator
on the button will turn off.
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Hyundai Sonata LF 2014-2019 Service Manual: Front Seat Belt Buckle Repair procedures
Replacement
1.
Remove the front seat assembly.
(Refer to Front Seat - "Front Seat Assembly")
2.
Remove the front seat belt buckle connector wiring harness (A).
3.
After loosening the mounting bolt, then remove the front seat belt buckle (A).
Tightening torque :
39.2 ~ 53.9 N.m (4.0 ...