Inside the dash, in the HVAC housing. The entire dash has to be removed to access.
check fuses
check the fuse for dash lights
under dash passenger side should b 3
the meaning of the yellow trangular light on the dash board of the 2003 seat leon car
remove plastic around instrument panel . remove screws from instrument panel then pull panel towards you to unplug it this will allow to get to dach lights
Very carefully!
If all the dash lights are out then there is two causes for this. The first is all the fuses have blown the other is the relay for the dashboard lights has went out.
It is inside the hvac housing under the dash.It is inside the hvac housing under the dash.
water in the wiring or a low battery
Check your fuses
If all the dash warning lights are illuminated, you probably have more problems than not getting any heat. The only time all the warning lights come on at once is just before starting the engine, as a lamp check.