Heater Control Unit
Description and OperationHyundai Tucson (NX4) 2022-2026 Service Manual: Troubleshooting
- Troubleshooting
SymptomPossible causeRemedy
One lamp does not light(all exterior)Bulb burned outReplace bulb
Socket, wiring or ground faultyRepair if necessary
Head lamps do not lightBulb burned outReplace bulb
Ignition fuse (LOW:10A, HIGH:20A) blownCheck for short and replace fuse
Head la ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Engine coolant temperature gauge
This gauge indicates the temperature
of the engine coolant when the ignition
switch is in the ON position.
NOTICE
If the gauge pointer moves beyond the
normal range area toward the H (Hot)
position, it indicates the engine coolant
is overheating.
Do not continue driving with an
over ...