Owner's Manual
Page 38
... like the message center and the climate control unit do not change with the dimmer control till the dash-mounted sensor senses full night conditions. 38 2007 Zephyr (378) Owners Guide (post-2002-fmt) USA (fus) Pull the lever towards you slightly to activate and... applicable switches in four steps until they reach nighttime operating levels. The system automatically "dims down" as ambient light reaches the dash-mounted sensor. The interior control lights dim progressively in the vehicle during headlamp and parklamp operation. At dusk and dawn, the brightness are illuminated...
... like the message center and the climate control unit do not change with the dimmer control till the dash-mounted sensor senses full night conditions. 38 2007 Zephyr (378) Owners Guide (post-2002-fmt) USA (fus) Pull the lever towards you slightly to activate and... applicable switches in four steps until they reach nighttime operating levels. The system automatically "dims down" as ambient light reaches the dash-mounted sensor. The interior control lights dim progressively in the vehicle during headlamp and parklamp operation. At dusk and dawn, the brightness are illuminated...