The follow steps show how to install the IMI-1000 RNS510 retrofit CarPlay and Android Auto kit.
STEP 1
Set dip switches (always follow the switch settings detailed on the label on top of the module)

STEP 2
Ensure power is off to the head unit, ideally disconnect battery earth
STEP 3

Remove the RNS850 head unit by initially removing the trim surround with a trim tool

Once removed, remove all securing screws to the display unit

Remove head unit
STEP 4
Connect the IMI-1000 kit as per the diagram below

STEP 5
Re-assemble and set up IMI-1000 as per the supplied IMI-1000 Setup Manual.