See also:

Warning Lights and Beep Sounds
System Malfunction Warning Light If any malfunction occurs in the advanced keyless function, the KEY warning light (red) in the instrument cluster illuminates continuously. CAUTION: If the KEY w ...

Other about Mazda 6
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Automatic Transaxle Controls
Various Lockouts: Indicates that you must depress the brake pedal to shift (The ignition switch must be in the ON position). Indicates the shift lever can be shifted freely into any position. ...