For the trunk release, open your trunk manually with your key and look forr the on off switch. Turn the switch off oh I'm sorry unlock. Then you should be able to use the switch on the door. Even the keyless entry should work. For the compass, go to your manmually and according to were you stay at set the compasss to the code you live in. THen set the compass to calibrate then do some cicles in the parking lot under 10 mph until the compass stops calibrating( The calibrate sign goes off) THen the compass is set!