rear light and brake light?

Probably the bulb has gone,replace both sides because if you have no wiring faults the other side will go soon,save the old working one for a spare. :)

rich
December 2016

Bulb failed
Earth connection problem from rear light cluster.

http://www.vauxhallownersnetwork.co.uk/index.php?threads/brake-light-problems-zafira.151848/

https://www.vauxhall.co.uk/content/dam/Vauxhall/Europe/united_kingdom/nscwebsite/uk/00_Home/Owner_Services/owners_manuals/zafira/ZafiraOwnersManual_Jan07.pdf

http://www.zafiraowners.co.uk/forum/13-newbies/484-light-problems-rear-offside-brake-side-light.html

May help
December 2016

bulbs?

cdc
December 2016