warning light Acura RLX HYBRID 2020 User Guide
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Continued195
uuInterior Lights/Interior Convenience Items uInterior Convenience Items
Controls
The power mode must be in ON to use the 
seat heaters.
Press the seat heater button:
Once - The HI setting (three indicators on)
Twice - The MID setting (two indicators on)
Three times - The LO setting (one indicator on)
Four times - The OFF setting (no indicators on)
■Front Seat Heaters*1Front Seat Heaters*
Do not use the seat heaters even in LO when the 
power system is off. U nder such conditions, the 12-
volt battery may be weakened, making the power 
system difficult to start.
3WARNING
Heat induced burns are possible when 
using seat heaters.
Persons with a diminished ability to sense 
temperature (e.g., persons with diabetes, 
lower-limb nerve damage, or paralysis) or 
with sensitive skin should not use seat 
heaters.
* Not available on all models
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uuInterior Lights/Interior Convenience Items uInterior Convenience Items
196
Controls
The power mode must be in ON to use the 
seat heaters and ventilation.
Press the seat heater or the seat ventilation 
button:
Once - The HI setting (three indicators on)
Twice - The MID setting (two indicators on)
Three times - The LO setting (one indicator on)
Four times - The OFF se tting (no indicators on)
■Front Seat Heaters and Ventilation*1Front Seat Heaters and Ventilation*
Do not use the seat heater s and the seat ventilation 
ev en in LO when the power system is off. Under such  
conditions, the 12-volt ba ttery may be weakened, 
making the power system difficult to start.
3WARNING
Heat induced burns are possible when 
using seat heaters.
Persons with a diminished ability to sense 
temperature (e.g., persons with diabetes, 
lower-limb nerve damage, or paralysis) or 
with sensitive skin should not use seat 
heaters.
* Not available on all models
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uuInterior Lights/Interior Convenience Items uInterior Convenience Items
Controls
The power mode must be in ON to use the 
seat heaters.
There is no heater in  the rear center seating 
position.
Press the seat heater button:
Once - The HI setting (three indicators on)
Twice - The MID setting (two indicators on)
Three times - The LO setting (one indicator on)
Four times - The OFF setting (no indicators on)
To open the sunglasses holder, push and 
release the indent. To close, push it again until 
it latches.
You can store eyeglasses and other small 
items in this holder.
■Rear Seat Heaters1 Rear Seat Heaters
Do not use the seat heaters even in LO when the 
power system is off. U nder such conditions, the 12-
volt battery may be weakened, making the power 
system difficult to start.
3WARNING
Heat induced burns are possible when 
using seat heaters.
Persons with a diminished ability to sense 
temperature (e.g., persons with diabetes, 
lower-limb nerve damage, or paralysis) or 
with sensitive skin should not use seat 
heaters.
■Sunglasses Holder1 Sunglasses Holder
Keep the holder closed wh ile driving except when 
accessing stored items.
Push
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uuInterior Lights/Interior Convenience Items uInterior Convenience Items
198
Controls
The power rear sunshade can be ope rated with the power mode in ON.
To raise:  Press the button.
To lower:  Press the button again.
When the transmission is put into 
(R, the rear 
sunshade lowers automatically. u If the vehicle is travelling at 10 mph (15 
km/h) or more, or if the transmission is 
put into 
(P, the sunshade returns to its 
original position.
Even if the power mode  is switched to OFF, 
the sunshade can be operated for 
approximately 1 minute.
■Power Rear Sunshade*1 Power Rear Sunshade*
If the sunshade stops wh ile moving, check for and 
clear any obstacles, then push the button again.
3WARNING
Opening or closing the sunshade on 
someone’s hands or fingers can cause 
serious injury.
Make sure all hands and fingers are clear of 
the sunshade before opening or closing it.Front
Rear
* Not available on all models
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298
uuCustomized Features u
Features“Trip B” Reset Timing
Language Selection
Adjust Outside Temp. Display
 
 
  
Forward Collision Warning Distance
ACC Forward Vehicle Detect Beep
 
Turn By Turn Display
Default
Memory Position Link
 
Door Unlock Mode
Keyless Access Light Flash
 
  
Interior Light Dimming Time
Headlight Auto Off Timer
Auto Light Sensitivity
Vehicle 
Settings
Driver  Assist 
System  Setup
Keyless Access 
Setup
Lighting  Setup
Keyless Access Beep
Lane Keeping Assi st Suspend Beep
Blind Spot Info
Easy Entry/Exit
Auto Seatbelt Tension
 
Driving 
Position  Setup
Display Speed Unit
Reactive Force Pedal
Head-up Warning
Road Departure Mitigation Setting
Remote Start System On/Off
 
Reverse Alert Tone
 
“Trip A” Reset TimingMeter/
Head-up  Display  Setup
Walk Away Auto Lock
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402
uuWhen Driving uAdaptive Cruise Control (ACC) with Low Speed Follow
Driving
Adaptive Cruise Control  (ACC) with Low Speed 
Follow
Helps maintain a constant vehicle speed an d a set following-interval behind a vehicle 
detected ahead of yours and, if the detected vehicle comes to a stop, decelerates 
and stop your vehicle, without you having to keep your foot on the brake or the 
accelerator.
When ACC with Low Speed Follow slows y our vehicle by applying the brakes, your 
vehicle's brake lights will illuminate.
1 Adaptive Cruise Control (ACC) with Low Speed Follow
Important Reminder
As with any system, there are limits to ACC with Low 
Speed Follow. Use the brake pedal whenever 
necessary, and always keep a safe interval between 
your vehicle and other vehicles.
3WARNING
Improper use of ACC with Low Speed 
Follow can lead to a crash.
Use ACC with Low Speed  Follow only when 
driving on expressways or freeways and in 
good weather conditions.
3WARNING
ACC with Low Speed  Follow has limited 
braking capability and may not stop your 
vehicle in time to avoid a collision with a 
vehicle that quickly stops in front of you.
Always be prepared to apply the brake 
pedal if the conditions require.
When to use
■Vehicle speed for ACC wi th Low Speed Follow: A vehicle is detected ahead within 
ACC with Low Speed Follow range  – ACC with Low Speed Follow operates at 
speeds up to 90 mph (145 km/h).
No vehicle is detected within ACC with Low Speed Follow range  – ACC with Low 
Speed Follow operates at the speed of 25 mph (40 km/h) or above.
■Gear position for ACC with Low Speed Follow: In ( D.
The radar sensor is 
in the front grille.
The camera is 
located behind 
the rearview 
mirror.
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Continued407
uuWhen Driving uAdaptive Cruise Control (ACC) with Low Speed Follow
Driving
The system may automatically shut off and the  ACC indicator will come on under 
certain conditions. Some examples of these conditions  are listed below. Other 
conditions may reduce some of the ACC functions.
2 Front Sensor Camera  P. 400
■Environmental conditions
• Driving in bad weather (rain, fog, snow, etc.).
■Roadway conditions
• Driving on a snowy or wet roadway (obs cured lane marking, vehicle tracks, 
reflected lights, road  spray, high contrast).
■Vehicle conditions
• The outside of the windshield is blocked by dirt, mud, leaves, wet snow, etc.
• An abnormal tire or wheel condition (Wrong sized, varied size or construction, 
improperly inflated, compact spare tire
*, etc.).
• The camera temperature gets too high.
• The parking brake is applied.
• When the front grille is dirty.
• The vehicle is tilted due to a heavy load or  suspension modifications.
• When tire chains are installed.
■ACC with Low Speed Follow Conditions and Limitations1ACC with Low Speed Follow Conditions and Limitations
The radar sensor for ACC with Low Speed Follow is 
shared with the Collision Mitigation Braking System
TM 
(CMBSTM).
2 Collision Mitigation Braking SystemTM 
(CMBSTM)  P. 458
You can read about handling information for the 
camera equipped with this system. 2 Front Sensor Camera  P. 400
Always keep the radar sensor cover clean.
Never use chemical solvents or polishing powder for 
cleaning the sensor cover.  Clean it with water or a 
mild detergent.
Do not put a sticker on the radar sensor cover or 
replace the radar sensor cover.
If you need the radar sensor to be repaired, or 
removed, or the radar sensor cover is strongly 
impacted, turn off the system by pressing the MAIN  
button and take your  vehicle to a dealer.
Have your vehicle checked by a dealer if you find any 
unusual behavior of the system (e.g., the warning 
message appears too frequently).
* Not available on all models
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uuWhen Driving uRoad Departure Mitigation (RDM) System
418
Driving
The system becomes ready to start sear ching for lane markings when all the 
following conditions are met:
• The vehicle is traveling between 45 and 89 mph (72 and 144 km/h).
• The vehicle is on a straight  or slightly curved road.
• The turn signals are off.
• The brake pedal is not depressed.
• The wipers are not in continuous operation.
• The system makes a determination that th e driver is not actively accelerating, 
braking or steering.
Press the RDM button to turn the system on 
and off.u The indicator in the button comes on and 
the message appears on the multi-
information display when the system is 
on.
■How the System Activates
■RDM On and Off
1How the System Activates
The RDM system may automa tically shut off and the 
 indicator comes and stays on.
2 Indicators P. 76
RDM system function can  be impacted when the 
vehicle is:
•Not driven within a traffic lane.•Driven on the inside edge of a curve, or outside of 
a lane.
•Driven in a narrow lane.
1 RDM On and Off
When you have selected Warning Only  from the 
customized options using the audio/information 
screen, the system does not operate the steering 
wheel and braking. 2 Customized Features  P. 295
RDM ButtonIndicator
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uuWhen Driving uLane Keeping Assist System (LKAS)
422
Driving
Provides assistance to keep the vehicle in  the center of the lane. When the vehicle 
nears a white or yellow line, steering force  of the electric power steering will become 
stronger.
When the vehicle enters the  warning area, the LKAS alerts  you with slight steering 
wheel vibration as well as a warning display.
■Lane Keep Support Function1 Lane Keeping Assist System (LKAS)
The LKAS may not function  as designed while driving 
in frequent stop and go traf fic, or on roads with 
sharp curves.
When it fails to detect lanes, the system will 
temporarily be canceled. When lane is detected, 
system will recover automatically.
■Lane Departure Warning Function
Warning Area
Warning Area
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uuBraking uBrake System
454
Driving
Keeps the brake applied after releasing the brake pedal until the accelerator pedal is 
pressed. You can use this system only while the vehicle is temporarily stopped, like 
at traffic lights and in heavy traffic.
■Automatic Brake Hold1Automatic Brake Hold
3WARNING
Activating the automatic brake hold system 
on steep hills or slippery roads may still 
allow the vehicle to  move if you remove 
your foot from the brake pedal.
If a vehicle unexpectedly moves, it may 
cause a crash resulting in serious injury or 
death.
Never activate the automatic brake hold 
system or rely on it  to keep a vehicle from 
moving when stopped on a steep hill or 
slippery roads.
3WARNING
Using the automatic brake hold system to 
park the vehicle may result in the vehicle 
unexpectedly moving.
If a vehicle moves unexpectedly, it may 
cause a crash, resulting in serious injury or 
death.
Never leave the vehicle when braking is 
temporarily kept by automatic brake hold 
and always park the vehicle by putting the 
transmission in 
( P and applying the parking 
brake.
■Turning on the system
Fasten your seat belt 
properly, then start the 
power system. Press the 
automatic brake hold 
button.
●The automatic brake 
hold system indicator 
comes on. The system 
is turned on.
■Activating the system
Depress the brake pedal 
to come to a complete 
stop. The transmission 
must be in 
( D or (N.●The automatic brake 
hold indicator comes 
on. Braking is kept for 
up to 10 minutes.
●Release the brake 
pedal after the 
automatic brake hold 
indicator comes on.
■Canceling the system
Depress the accelerator 
pedal while the 
transmission is in 
( D. 
The system is canceled 
and the vehicle starts to 
move.
●The automatic brake 
hold indicator goes 
off. The system 
continues to be on.
Accelerator PedalBrake PedalAutomatic Brake 
Hold Button
Goes 
Off
U.S.
Canada
On
OnComes 
On
Comes 
On
Comes 
On
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