Hyundai Sonata: Remote keyless entry
Battery replacement
A smart key battery should last for several years, but if the smart key is not
working properly, try replacing the battery with a new one. If you are unsure how
to use your smart key or replace ...
Remote keyless entry system operations
Lock (1)
All doors are locked if the lock button is pressed. If all doors, trunk and hood
are closed, the hazard warning lights will blink once to indicate that all doors
are locked.
Also, i ...
See also:
Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze
coolant. The reservoir is filled at the factory. Check the antifreeze protection
and coolant level at least once ...
Heated Oxygen Sensor (HO2S). Schematic Diagrams
Circuit Diagram
...
Battery. Description and Operation
Description
1.
The maintenance-free battery is, as the name implies, totally
maintenance free and has no removable battery cell caps.
2.
W ...
