Isuzu MU-X Series II RWD 3.0L Diesel LS-T (2017-2020) Questions & Answers

Quite a few owners have replaced the head unit with a much better quality unit that gives better results with everything. The Kenwood unit from carbon car systems rate highly

We have 2017 MU-X and find the Bluetooth sound system really good. However, I find that I cannot delete phone numbers from the downloaded phonebook. I have been told that the system is not "smart enough" to not duplicate numbers. E.g. numbers on the phone and numbers on the Sim. So many numbers are doubled. I can't find the delete button. The Manual seems to be different from the screen in front of me.