My old (1999) car had two faulty alarm remotes and one door that would lock when the alarm was activated. My mechanic recommended Andrew the owner of Acorn Car Alarms. Fantastic service - came on time to my house with a phone call 30 minutes before, completed the job speedily and efficiently and best of all it was much less expensive than I thought it would be. The alarm remotes and door locking has worked perfectly since then. Highly recommended.