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Tech FAQ’s

Electric Parking Brake


Electric Parking Brake

Located on the console behind the shift lever, the electric parking brake keeps your vehicle stationary when parked. Simply lift up the switch to engage the parking brake, and press it down to release it. You can also lightly depress the accelerator pedal to release the brake when the vehicle is on, your seat belt is fastened, and the shift lever is not in Park.

Automatic Brake Hold

Brake Hold is a useful feature, particularly in the city or wherever you have to stop the car frequently.  Press the brake hold button located behind the shift lever to initiate the system.  When you apply the brakes, stop the vehicle and the system indicates brake hold is engaged, the system will hold the brakes and keep the car stationary after you remove your foot from the brake pedal.  Brake Hold releases the brakes the moment you apply pressure on the accelerator.

Understanding Anti-lock Brakes

Anti-lock brakes help drivers maintain steering control during hard braking. All current and most past Acura models are equipped with anti-lock brakes. Not only do they work differently than conventional brakes, they’re used differently, too.

Difference from Conventional Brakes

When pushed hard, conventional brakes may cause wheels to lock up, making the steering ineffective. In contrast, an anti-lock braking system (ABS) allows drivers to continue steering while braking so they can maneuver around objects. An electronic control unit senses when a wheel is approaching lock up and intermittently reduces pressure several times a second. The process is much like that of pumping conventional brakes, but faster and better.

ABS Operation

The ABS emergency braking technique is different from that used with conventional brakes. During hard or severe braking conditions, drivers with ABS should press hard on the brake pedal and not let up. This is known as “stomp and steer.” Sometimes an ABS creates noise and causes the brake pedal to vibrate when the system is activated. Don’t take your foot off the brake pedal if this happens. This is a normal occurrence, and your ABS is functioning properly.

Anti-lock Brakes Do’s and Don’ts

If you have anti-lock brakes, or are considering buying a vehicle that has them, use them properly. In severe braking situations with anti-lock brakes, remember:

  • DO stomp on the brakes when braking hard.
  • DO maintain firm pressure on the brake pedal and continue steering to avoid a collision.
  • DON’T let up even if the system makes noise or the pedal vibrates.
  • DON’T pump the brakes.
  • DO drive safely.

Blind Spot Information (BSI) System

The RLX blind spot information (BSI) system assists drivers before making lane changes. When a vehicle in either adjacent lane is detected in one of the two alert zones—areas where the vehicle is close but difficult to spot—an indicator will appear on that side’s front door A-pillar close to the side mirror. If the driver activates the turn signal in the direction where a vehicle is detected in the alert zone, the pillar light begins to flash and an audible alert sounds. Several measures have been designed into the system to ensure that it is a helpful feature and never an annoyance.

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How To: Audio Connections


How To: Lane Keeping Assist System (LKAS)

For the driver’s convenience, Lane Keeping Assist System (LKAS) works proactively to keep the vehicle inside a detected lane by providing steering assistance. It will provide audible and visual alerts to the driver when the vehicle begins to leave a detected lane without turn signal activation. A camera located between the windshield and the rear view mirror can detect lane separation markings, and as the vehicle moves from the center of the lane, the Electric Power Steering system applies torque to return the vehicle to the middle of the lane. The farther it gets from the center, the more torque is applied. The Lane Keeping Assist System (LKAS) is intended to warn and assist, and is not a substitute for steering the vehicle. The driver should keep both hands on the wheel.


How To: Lane Departure Warning (LDW) System

Lane Departure Warning (LDW) System

The Lane Departure Warning (LDW) system alerts you when it determines that your vehicle may be unintentionally crossing over detected lane markings. A camera located between the windshield and the rear view mirror can detect lane separation markings, and if your vehicle is getting too close without a turn signal activated, LDW issues an audible beeping sound and shows a Lane Departure warning message on the Multi-Information Display.


How To: Forward Collision Warning(FCW) System

The Forward Collision Warning (FCW) system uses a camera located between the windshield and rearview mirror to alert you when it determines that your RLX may collide with a vehicle detected in front of it. If your vehicle speed is above 10 mph and the system determines a collision is possible, it warns you with audible alerts and a flashing amber “BRAKE” warning light on the Multi-Information Display.


How To: Collision Mitigation Braking System

Collision Mitigation Braking System™ (CMBS™)

Designed to help reduce the likelihood of a potential collision, the Collision Mitigation Braking System™ (CMBS™) with heads-up warning alerts the driver and can take steps to help mitigate the severity of a frontal collision if the system determines a collision to be unavoidable.