page xi: 2 Operation of Instruments and Controls __4 Lights, Wipers and Defogger ..... 101 page 107: Instrument panel light control Yes, but not the clock display.
Actually, come to think of it, we're all assuming you are in North America. In some markets, the dimmer is a button on the dash near the hazard light button. I think.
No, he said T4. That'll be UK. Look for the button that's beside the ODO button. That'll change the lighting intensity in steps (don't remember how many choices there are). The NA version has a rotary rheostat switch instead.
if your in a market with Auto headlights in daylight the dash and MFD will not dim even with the headlights on. There is a photo cell in the left front corner of the dash that stops the dimming till darkness falls.