Mazda CX-3: Before Driving / Advanced Keyless Entry System (Some models)

Operational Range and Key Suspend Function

Operational Range The system operates only when the driver is in the vehicle or within operational range while the key is being carried. Starting the Engine NOTE Starting the engine may be possible even if the key is outside of the vehicle and extremely close to a door and window, however, always start the engine from the driver's seat...

Advanced Keyless Entry System

WARNING Radio waves from the key may affect medical devices such as pacemakers: Before using the key near people who use medical devices, ask the medical device manufacturer or your physician if radio waves from the key will affect the device...

Other information:

Mazda CX-3 (2015-2026) Owner's Manual: Interior Equipment (View B)

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Mazda CX-3 (2015-2026) Owner's Manual: Engine Start Function When Key Battery is Dead

CAUTION When starting the engine by holding the transmitter over the push button start due to a dead key battery or a malfunctioning key, be careful not to allow the following, otherwise the signal from the key will not be received correctly and the engine may not start...