The trip computer is a microcomputer- controlled driver information system that displays information related to driving.
Information
Some driving information stored in the trip computer (for example Average Vehicle Speed) resets if the battery is disconnected.
Trip modes
To change the trip mode, toggle the " , " switch on the steering wheel.
Hyundai Sonata LF 2014-2019 Service Manual: Seat Heater Switch Repair procedures
Removal
[Front Seat]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and A/C control unit.
(Refer to Heating, Ventilation and Air Conditioning - "Controller")
[Rear Seat]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear door window switch.
...
Hyundai Sonata LF 2014-2019 Service Manual: Fuel Filter Repair procedures
Replacement
1.
Remove the fuel pump.
(Refer to Fuel Delivery System - "Fuel Pump")
2.
Remove the fixing clip (A), and then disconnect the fuel tube (B).
3.
Remove the fuel pressure regulator fixing clip (A).
4.
Remove the fuel pressure regulator (B) from the fuel filter.
5.
Re ...