Mazda 2009 CX-7 Manual page 82

Knowing Your Mazda
Advanced Keyless Entry and Start System
NOTE
Battery life is about one year. Replace the battery when the KEY indicator light (green) flashes in
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the instrument cluster.
Refer to Advanced Key Battery Dead Warning on page 3-17.
Additional advanced keys can be obtained at an Authorized Mazda Dealer. Up to 6 advanced keys
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can be used with the advanced keyless functions per vehicle.
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