SpecificationsHyundai Elantra AD (2016-2020) Owners Manual: Immobilizer System
The immobilizer system protects your vehicle from theft. If an improperly coded
key (or other device) is used, the engine's fuel system is disabled.
When the ignition switch is placed in the ON position, the immobilizer system
indicator should come on briefly, then go off. If the indicator ...
Hyundai Elantra AD (2016-2020) Service Manual: Cylinder Block Repair procedures
Disassembly
•
Use fender covers to avoid damaging painted surfaces.
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To avoid damaging the cylinder head, wait until the engine
coolant temperature drops below normal temperature (20°C [68°F]) before
removing it.
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When handling a metal gasket, ...