What will happen?

What will happen, if govt insist that all passenger car to install an external signal?


picture is real, captured at Damansara Jaya, nearby KDU.

Btw, Mr & Mrs Smith is good. Recommended.
favourite scenes:

1. John Smith: I've done about high 50s to low 60s
Jane Smith: 312.

2. John: Ask us about the sex.
Therapist: OK, so how many times you've ...
John: (signalled & whisper) 10!