Mazda CX-52017 Owner's Manual page 91

Operational Range
The system operates only when the driver
is in the vehicle or within operational
range while the key is being carried.
NOTE
When the battery power is low, or in
places where there are high-intensity radio
waves or noise, the operational range
may become narrower or the system may
not operate. For determining battery
replacement, Refer to Keyless Entry
System on page 3-3 .
Locking, Unlocking the Doors and
the Liftgate
Lock
80cm (31in)
80cm (31in)
Unlock
80cm (31in)
80cm (31in)
Exterior antenna
80cm (31in)
Operational range
Exterior antenna
Operational range
Advanced Keyless Entry System
NOTE
The system may not operate if you
      
are too close to the windows or door
handles, or liftgate.
If the key is left in the following areas
      
and you leave the vehicle, the doors
may be locked depending on the radio
wave conditions even if the key is left in
the vehicle.
Around the dashboard
      
In the storage compartments such as
      
the glove compartment or the center
console
Next to a communication device such
      
as a mobile phone
Opening the Liftgate
Before Driving
Exterior antenna
80cm (31in)
Operational range
3–11