maintenance Acura MDX HYBRID 2020 Service Manual

uuMaintenance Under the Hood uCooling System
578
Maintenance
1. Make sure the engine and radiator are
cool.
2. Remove the engine compartment cover.
2 Engine Compartment Cover P. 571
3.Turn the radiator cap 1/8 turn counter-
clockwise and relieve any pressure in the
cooling system.
4. Push down and turn the radiator cap
counterclockwise to remove it.
5. The coolant level should be up to the base
of the filler neck. Add coolant if it is low.
6. Put the radiator cap back on, and tighten it
fully.
■Radiator1Radiator
NOTICE
Pour the fluid slowly and ca refully so you do not spill
any. Clean up any spills immediately; they can
damage components in the engine compartment.
Radiator Cap
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579
uuMaintenance Under the Hood uInverter Coolant
Maintenance
Inverter Coolant
This coolant is premixed with 50% an tifreeze and 50% water. Do not add any
straight antifreeze or water.
We recommend you check the inverter coolant level every time you refuel.
Have a dealer replace the inverter coolant.
1.Check the fluid level in the tank.
2. If the coolant level has dropped below the
MIN level, have your ve hicle serviced at a
dealer.
u Only a properly trained technician can
refill the coolant and check the system
for leaks.
Specified coolant: Ac ura Long Life Antifreeze/Coolant Type 2
■Checking the Coolant
1Inverter Coolant
NOTICE
Genuine Acura engine cool ant is a 50/50 mixture of
antifreeze and water that can withstand freezing at
temperatures as low as a bout –31°F (–35°C). If your
vehicle is consistently subjected to temperatures
below this, the concentration of antifreeze in the
coolant should be increased. Consult a dealer for
details.
If Acura antifreeze/coolant is not available, you may
use another major brand of non-silicate coolant as a
temporary replacement. Check that it is a high quality
coolant recommended for aluminum engines.
Continued use of any non-Ac ura coolant can result in
corrosion, causing the coo ling system to malfunction
or fail. Have the cooling system flushed and refilled
with Acura antifreeze/cool ant as soon as possible.
Do not add rust inhibitors or other additives to your
vehicle’s cooling system. Th ey may not be compatible
with the coolant or with the motor components.
MAX
MIN
Filler Tank
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580
uuMaintenance Under the Hood uTransmission Fluid
Maintenance
Transmission Fluid
Have a dealer check the fluid level and replace if necessary.
Do not attempt to check or change the dual clutch transmission fluid yourself.
■Dual Clutch Transmission Fluid
Specified fluid: Acura ATF DW-1
1Dual Clutch Transmission Fluid
NOTICE
Do not mix Acura ATF DW-1 with other
transmission fluids.
Using a transmission flui d other than Acura ATF
DW-1 may adversely af fect the operation and
durability of your vehicle’ s transmission, and damage
the transmission.
Any damage caused by using a transmission fluid that
is not equivalent to Acur a ATF DW-1 is not covered
by Acura’s new vehicl e limited warranty.
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581
uuMaintenance Under the Hood uBrake Fluid
Maintenance
Brake Fluid
The fluid level should be between the MIN
and MAX marks on the side of the reserve
tank.
Refilling Window Washer Fluid
If the washer fluid is low, a message appears on the MID.
Pour the washer fluid carefully. Do not overflow the reservoir.
Specified fluid: Acura Heavy Duty Brake Fluid DOT 3
■Checking the Brake Fluid
1Brake Fluid
NOTICE
Brake fluid marked DOT 5 is not compatible with your
vehicle’s braking system and can cause extensive
damage.
If the specified br ake fluid is not av ailable, you should
use only DOT 3 or DOT 4 fluid from a sealed
container as a temporary replacement.
Using any non-Acura brake fl uid can cause corrosion
and decrease the longevity of the system. Have the
brake system flushed and re filled with Acura Heavy
Duty Brake Fluid DOT 3 as soon as possible.
If the brake fluid level is at or below the MIN mark,
have a dealer inspect the vehicle for leaks or worn
brake pads as soon as possible.
Brake Reserve Tank
MIN
MAX
1 Refilling Window Washer Fluid
NOTICE
Do not use engine antifreeze or a vinegar/water
solution in the windshield washer reservoir.
Antifreeze can damage y our vehicle’s paint. A
vinegar/water solution ca n damage the windshield
washer pump.
Use only commercially avai lable windshield washer
fluid.
Avoid prolonged use of hard water to prevent lime
scale build up.
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582
Maintenance
Replacing Light Bulbs
Headlights
Headlights are LED type. Have an authorized Acura dealer inspect and replace the
light assembly.
Front Turn Signal/Parkin g, Daytime Running and
Front Side Marker Lights
Front turn signal/parking, da ytime running and front side marker lights are LED type.
Have an authorized Acura dealer in spect and replace the light assembly.
Fog Lights*
Fog lights are LED type. Have an authoriz ed Acura dealer inspect and replace the
light assembly.
Side Turn Signal/Emergency Indicator Lights
Door mirror side turn lights are LED type. Have an authorized Acura dealer inspect
and replace the light assembly.
1 Headlights
The headlight aim is set by the factory, and does not
need to be adjusted. Howeve r, if you regularly carry
heavy items in the cargo area, have the aiming
readjusted at a dealer or by a qualified technician.
* Not available on all models
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583
uuReplacing Light Bulbs uBrake Light and Rear Turn Signal Light Bulbs
Continued
Maintenance
Brake Light and Rear Turn Signal Light Bulbs
When replacing, use the following bulbs.
1.Remove the cover.
u Starting at the bottom, carefully pull the
cover straight out, working upward until
all pins are removed from their
grommets.
u The grommets should remain in the
body.
2. Use a Phillips-head sc rewdriver to remove
the bolts.
3. Pull the light assembly out of the rear pillar.
Brake Light: 21 W
Rear Turn Signal Light: 21 W
Bolts
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584
uuReplacing Light Bulbs uTaillights/Rear Side Marker Lights
Maintenance
4. Turn the socket counter-clockwise and
remove it. Remove the old bulb.
5. Insert a new bulb.
6. Slide the light assembly onto the guide on
the body.
7. Align the pins with the body grommets,
then push in unt il they fully seat.
Taillights/Rear Side Marker Lights
Taillights/rear side marker lights are the LED type. Have an authorized Acura dealer
inspect and replace the light assembly.
Bulb Socket
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585
uuReplacing Light Bulbs uBack-Up Light Bulbs
Maintenance
Back-Up Light Bulbs
When replacing, use the following bulbs.
1.Remove the cover by prying on the edge
using a flat-tip screwdriver.
u Wrap the flat-tip screwdriver with a cloth
to prevent scratches.
2. Turn the socket counter-clockwise and
remove it. Remove the old bulb.
3. Insert a new bulb.
Taillights
Taillights are the LED type. Have an author ized Acura dealer inspect and replace the
light assembly.
Back-Up Light: 21 W
Bulb
Socket
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586
uuReplacing Light Bulbs uRear License Plate Lights
Maintenance
Rear License Plate Lights
Rear license plate lights are LED type. Have an authorized Acura dealer inspect and
replace the light assembly.
High-Mount Brake Light
High-mount brake light is LED type. Have an authorized Acura dealer inspect and
replace the light assembly.
Puddle Lights
Puddle lights are LED type. Have an author ized Acura dealer inspect and replace the
light assembly.
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587Continued
Maintenance
Checking and Maintaining Wiper Blades
Checking Wiper Blades
If the wiper blade rubber has deteriorated, it will leave streaks and the hard surfaces
of the blade may scratch the window glass.
Changing the Front Wiper Blade Rubber
1.Lift the driver side wiper arm first, then the
passenger side.
2. Pry on the edge of the lock tab using a flat-
tip screwdriver to push it up.
Wrap the flat-tip screwdriver with a cloth to
prevent scratches.
3. Slide the holder off the wiper arm.
1Changing the Front Wiper Blade Rubber
NOTICE
Avoid dropping the wiper arm onto the windshield, it
may damage the wiper arm and/or the windshield.
Lock Tab
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