Why can't I see my menu? on 2007 Lexus IS350

Heater not working.

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1 answer 4 comments
ck dimmer switch and pwr to radio at fuses
Umm I'm confused explain in detail please.
do you mean menu on dash lights? if so there is a dimmer knob to the left of steering wheel
Menu button to the right of my touch screen.
the bulb maybe out in the knob or the circuit board has a bad spot creating no pwr to the portion