Mazda 3 Sedan 2021 Navigation Owner's Manual
![Mazda 3 Sedan 2021 manual cover](/images/d364277c4927e6a321955e6c/thumbs/thumb175x175.webp)
To connect your smartphone, enable Bluetooth on your device and on the Mazda 3's infotainment system. Navigate to 'Settings' > 'Devices' > 'Bluetooth' on the car's display, then select 'Add Device' and follow the prompts to pair your phone.
If your Mazda 3 won't start, check if the battery is charged. Ensure the key fob battery is working, and that the car is in 'Park' or 'Neutral'. If these are fine, consult a professional mechanic as it may be a more serious issue.
It is recommended to change the oil every 7,500 miles or every 12 months, whichever comes first. However, refer to the owner's manual for specific intervals based on your driving conditions.
To reset the TPMS, ensure the tires are properly inflated. Start the car and locate the TPMS reset button under the steering wheel. Press and hold the button until the TPMS indicator light blinks twice.
The recommended tire pressure for the Mazda 3 Sedan 2021 is usually 35 psi for both front and rear tires. Always refer to the sticker on the driver's side door jamb for the most accurate information.
To replace a headlight bulb, turn off the engine and open the hood. Remove the headlight cover cap, disconnect the power connector, and carefully remove the old bulb. Install the new bulb, ensuring not to touch it with bare hands, then reconnect the power and replace the cover.
A squeaking noise when braking is often caused by worn brake pads. Inspect the brake pads and replace them if necessary. If the noise persists, have the braking system checked by a professional.
To improve fuel efficiency, maintain proper tire pressure, avoid excessive idling, and drive smoothly by accelerating gently and anticipating stops. Regular maintenance such as oil changes and air filter replacements also help.
The recommended engine oil for the Mazda 3 Sedan 2021 is SAE 0W-20 for optimal performance and fuel efficiency. Always check the owner's manual for specific oil recommendations.
To update the navigation system, download the latest maps from the Mazda website onto a USB drive. Insert the USB drive into the vehicle's USB port and follow the on-screen instructions to install the update.