Mazda CX-9 2021 Manual page 561

messages are displayed in the instrument
cluster).
The system does not operate and the

operation indicator light on the
transmitter does not flash when the
buttons are pressed.
The system's operational range is

reduced.
Replacing the battery at an Authorized
Mazda Dealer, is recommended to prevent
damage to the key. If replacing the battery
by yourself, follow the instruction.
Replacing the key battery
1. Remove the lower cover while
pressing the knob in the direction of
the arrow.
2. Press in the tab to unlock the upper
cover.
Owner Maintenance
3. Insert a tape-wrapped flathead
screwdriver into the gap and slide it in
the direction of the arrow.
4. Twist the flathead screwdriver in the
direction of the arrow and remove the
upper cover.
5. Remove the cap using the
tape-wrapped flathead screwdriver.
6. Remove the battery using
tape-wrapped flathead screwdriver.
Maintenance and Care
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