Follow Normal Maintenance Schedule if the vehicle is usually operated where none of the following conditions apply. If any of the following conditions apply, you must follow the Maintenance Under Severe Usage Conditions.
For additional information or assistance see your authorized HYUNDAI dealer.
Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation
Description
Ignition timing is controlled by the electronic control ignition timing system.
The standard reference ignition timing data for the engine
operating conditions are pre-pro grammed in the memory of the ECM
(Engine Control Module).
The engine operating conditions (speed, load, wa ...
Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Components
1. LDWS ON/OFF switch2. Instrument cluster3. LDWS unit
...