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I just bought a IS250. I've been trying to figure out some basic functions in the car with NO LUCK....please help!

1. How do you activate or change the DAY/NIGHT nav screen function? The regular nav screen is too bright at night. I am NOT talking about changing the contrast and brightness.

2. When I receive a call, only the phone number shows up not the person's name that is stored in my phone book. How do I make the screen show both the phone number and person's name stored on my phone book?

3. Also, I read on another forum that there is a way to override the safety feature on the nav screen that allows the user to enter an address while the car is in motion WITHOUT cutting any wires. How do you do this? What SPECIFIC (step by step) screens do I need to go into?

**Thanks in advance for your inputs***
 

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1. There is a knob that dims the gauges. When the knob is turned all the way to the right... it will "click" into position. Turn it to the left a little bit so that it is not in the "clicked" position.

2. You have to add the contact to the phone book on the navigation screen.
 

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2. some phones are capable of transferring their phone book.

3. if your car is '07 or later the hidden menu has been disabled depending on the version of your NAV disc.
 

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1. How do you activate or change the DAY/NIGHT nav screen function? The regular nav screen is too bright at night. I am NOT talking about changing the contrast and brightness.

At night, hit the Display button. You'll be able to change between day and night mode, or even turn the display off altogether.
 
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