How to Reduce Your Saab Key Replacement Cost You can save lots of money by having your spare key made prior to the time you lose your last one. If you only have one key, it's 2X-10X as costly to make the new one. The process of replacing the battery in your SAAB 9-3 key fob is simple, cheap and simple to do it yourself. Here's how. Cost of a Key Replacement
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