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

Mazda CX-3 (2015-2023) Owner's Manual / Before Driving / Advanced Keyless Entry System (Some models) / 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.

The advanced keyless function allows you to lock/unlock the door and the liftgate, or open the liftgate while carrying the key.
System malfunctions or warnings are indicated by the following warning beeps.

Request switch Inoperable Warning Beep

Refer to Request Switch Inoperable Warning Beep (With the advanced keyless function).
Key Left-in-luggage Compartment Warning Beep
Refer to Key Left-in-luggage Compartment Warning Beep (With the advanced keyless function).

Key Left-in-vehicle Warning Beep Refer to Key Left-in-vehicle Warning Beep (With the advanced keyless function).

NOTE

The advanced keyless entry system functions can be deactivated to prevent any possible adverse effect on a user wearing a pacemaker or other medical device. If the system is deactivated, you will be unable to start the engine by carrying the key. Consult an Authorized Mazda Dealer for details. If the advanced keyless entry system has been deactivated, you can start the engine by following the procedure indicated when the key battery goes dead.

Refer to Engine Start Function When Key Battery is Dead.

Advanced Keyless Entry System (Some models)

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...

Other information:

Mazda CX-3 (2015-2023) Owner's Manual: Keyless Entry System

This system uses the key buttons to remotely lock and unlock the doors and the liftgate. The system can start the engine without having to take the key out of your purse or pocket. It can also help you signal for attention or help. Operating the theft-deterrent system is also possible on theft-deterrent system-equipped vehicles...

Mazda CX-3 (2015-2023) Owner's Manual: Engine Exhaust (Carbon monoxide)

WARNING Do not drive your vehicle if you smell exhaust gas inside the vehicle: Engine exhaust gas is dangerous. This gas contains carbon monoxide (CO), which is colorless, odorless, and poisonous. When inhaled, it can cause loss of consciousness and death...