See also:

Advanced Key Suspend Function
If one key is left in the vehicle or trunk and the second key is used to lock the vehicle, the functions of the advanced key left in the vehicle or the trunk are temporarily suspended to prevent t ...

Other about Mazda 6
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Tiedown Hook
CAUTION: Don't use the tiedown hook under the rear for towing. It is designed ONLY for tying down the vehicle when it's being transported. Using it for towing will damage the bumper. Tiedown Ho ...