Install guide

1.3.3 Radio Antenna Adapter

The Radio Antenna ends must also be used with an adapter harness in order to be connected to the

RNS-E headunit. It is crucial to purchase the correct antenna adapter. Most antenna adapters that are

supplied in package deals are used for upgrades from Symphony II radios and will not work for

replacement of the Symphony I. The correct antenna adapter is shown below.

Connect the two antenna leads from the vehicle to the antenna adapter.

1.3.4 Entering the Security PIN Code

Do not continue without the Radio Security PIN Code available.

Do not press on the LCD screen while sliding the RNS-E into place.

Connect the PNP harness, radio antenna adapter, and GPS antenna to the RNS-E unit.

Slide the RNS-E into place as far as it will go, but not so far that it locks into place. Reconnect the

negative battery terminal. The Security code PIN entry is not as simple as inputting the code once to

unlock the unit. For some reason, the RNS-E unit needs some time to acclimate itself to the vehicle.

Follow the steps below to unlock the unit. This sequence will be necessary every time the unit is

disconnected from the battery for more than a few minutes.

1. Turn on the ignition. Turn on the RNS-E if it does not start with the ignition.

2. Press the “SETUP” and “RADIO” (or FM|AM) buttons for a few seconds until the unit reboots.

3. Input the PIN code. The unit will likely immediately return to the PIN entry screen.

4. If the unit accepts the PIN code, skip ahead to Section 1.4 to code the control module.

5. With the ignition still on, input the PIN code a few more times and wait 15 minutes.

6. Turn the ignition off and wait 30 minutes.

7. Repeat steps 1 through 4.

If the installation will not continue to include Satellite radio, telephone module, or A/V interface, then

the RNS-E may be pushed all the way into place until the locking tabs click. In the A6 this will be

tricky because extra space behind the headunit is scarce. The housings at the vehicle end of the PNP

harness plugs should be tucked into the space behind the climate control unit. This can be done by

holding the RNS-E as close to the opening as possible with one hand while using the other hand to

tuck the housing ends down. It will take a few tries to get it right. Slide the RNS-E into place by

placing fingertips near the radio removal key slots and pushing straight back. Do not push on the LCD

screen. Ensure all four tabs lock into place with a popping sound.