People are getting away from the topic.
ALL locks can be broken and all trackers can be jammed. We should try to find the best possible and time consuming lock/tracker, as time is most important in these cases.
How about a INSURANCE/TAKKAFUL + STEERING LOCK + TRACKER (As takaful/insurance company will not insure without tracker) + 2/3 choor switches hideen at different places.
I know all can be broken by theives and car gangs, but the idea is to get them confused and consume more N more time