Mazda CX-3: Brake / Hill Launch Assist (HLA)

Mazda CX-3 (2015-2023) Owner's Manual / When Driving / Brake / Hill Launch Assist (HLA)

HLA is a function which assists the driver in accelerating from a stop while on a slope. When the driver releases the brake pedal and depresses the accelerator pedal while on a slope, the function prevents the vehicle from rolling. The braking force is maintained automatically after the brake pedal is released on a steep grade.

For vehicles with a manual transaxle, HLA operates on a downward slope when the shift lever is in the reverse (R) position, and on an upward slope when the shift lever is in a position other than the reverse (R) position.

For vehicles with an automatic transaxle, HLA operates on a downward slope when the selector lever is in the reverse (R) position, and on an upward slope when the selector lever is in a forward gear.


Do not rely completely on HLA: HLA is an auxiliary device for accelerating from a stop on a slope. The system only operates for about 2 seconds and therefore, relying only on the system, when accelerating from a stop is dangerous because the vehicle may move (roll) unexpectedly and cause an accident. The vehicle could roll depending on the vehicle's load or if it is towing something. In addition, for vehicles with a manual transaxle, the vehicle could still roll depending on how the clutch pedal or the accelerator pedal is operated. Always confirm the safety around the vehicle before starting to drive the vehicle.


  • HLA does not operate on a gentle slope. In addition, the gradient of the slope on which the system will operate changes depending on the vehicle's load.
  • HLA does not operate if the parking brake is applied, the vehicle has not stopped completely, or the clutch pedal is released.
  • While HLA is operating, the brake pedal may feel stiff and vibrate, however, this does not indicate a malfunction.
  • HLA does not operate while the TCS/DSC indicator light is illuminated. Refer to Contact Authorized Mazda Dealer and Have Vehicle Inspected.
  • HLA does not turn off even if the TCS OFF switch is pressed to turn off the TCS.

    AUTOHOLD System is Turned Off

    Depress the brake pedal and press the AUTOHOLD switch. The AUTOHOLD is turned off and the AUTOHOLD standby indicator light turns off. NOTE When the brakes are not held such as while driving the vehicle, the AUTOHOLD can be turned off only by pressing the AUTOHOLD switch...



    Other information:

    Mazda CX-3 (2015-2023) Owner's Manual: Driving Tips

    WARNING Do not let the vehicle move in a direction opposite to the direction selected by the selector lever: Do not let the vehicle move backward with the selector lever in a forward position, or do not let the vehicle move forward with the selector lever in the reverse position...

    Mazda CX-3 (2015-2023) Owner's Manual: Warning Sound is Activated

    Lights-On Reminder The lights-on reminder is operable when the time setting*1 of the auto headlight off function is off. If lights are on and the ignition is switched to ACC or off, a continuous beep sound will be heard when the driver's door is opened...


    Rearview Mirror


    Do not stack cargo or objects higher than the seatbacks:

    Cargo stacked higher than the seatbacks is dangerous. It can block your view in the rearview mirror, which might cause you to hit another car when changing lanes.

    Rearview mirror adjustment

    Before driving, adjust the rearview mirror to center on the scene through the rear window.

    Mazda CX-3. Rearview Mirror

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