Heater quit working 2001 Hyundai Elantra. Checked

Edited the question into English with the correct make and model of the vehicle! :>D

Fuse box diagram. They use abbreviations
C/LIGHT 15A Cigarette lighter, Power outlet

Fuse Box Diagram Hyundai Elantra (XD; 2000-2006)

https://fuse-box.info > hyundai > hyundai-elantra-xd-2...

The fuse box is located on the driver's side of the instrument panel behind the cover. The location of the fuses in the passenger compartment: Hyundai Elantra (XD; ...

Fuse box Hyundai Elantra 2000-2006 - Fuses box diagram

https://fusesdiagram.com > hyundai > fuses-and-relay-h...

Fuses and relay Hyundai Elantra 2000-2006 ... For the Hyundai Elantra 2000, 2001, 2002, 2003, 2004, 2005, 2006 model year. Fuse box located. The fuse box for ...

images for hyundai elantra fuse box location

Interior Fuse Box Location: 2001-2006 Hyundai Elantra ...

www.carcarekiosk.com/video/...Hyundai_Elantra.../fuse.../replace

The video above shows how to replace blown fuses in the interior fuse box of your 2005Hyundai Elantra in addition to the fuse panel diagram location. ... Some Hyundais have multiple interior fuse boxes including in the trunk - the video above will show you where the interior fuse box ...

2013 ' Hyundai ' Elantra ' Fuse Panel ' How to by ... - YouTube

Have you tested or replaced your brake light switch at the brake light petal?
Best regards,
Ck
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Check that the heater core valve is opening when you turn the heater control on the console. It is between the engine and the firewall.

The fuse for these items is the second one down in the right hand row in the fusebox down by the driver's feet. Swap the fuse with another one to check.

Then 1, bulbs are burned out
OR 2, the wiring is faulty.

check for any circuit brakers near the fuse box, if theres any of them reset them by introducing a paperclip in the small hole and press, you will hear a click.

there is a little fuse located behind the coins tray below the ac vent. when mine had the same problem the electrician had pulled out this tray and rplaced that fuse.

this sound like your flasher unit/relay is faulty as both indicators and 4 way hazard lights are not working chech your h/book for location or look under neath the fuse/relay box cover ?there is usually a diagram of location of fuses//relay