2015 Acura MDX Owner's Manual

uuMaintenance Under the Hood uEngine Coolant
408Maintenance
1. Make sure the engine and radiator are
cool.
2. Remove the engine compartment cover.
2 Engine Compartment Cover P. 401
3.Turn the radiator cap counterclockwise and
relieve any pressure in the coolant system.
Do not push the cap down when turning.
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.
7. Pour coolant into the reserve tank until it
reaches the MAX mark. Put the cap back
on the reserve tank.
■
Radiator
1 RadiatorNOTICEPour the fluid slowly and carefully so you do not spill
any. Clean up any spills immediately; they can
damage components in the engine compartment.
3
WARNING
Removing the radiator cap while the
engine is hot can cause the coolant to spray
out, seriously scalding you.
Always let the engine and radiator cool
down before removing the radiator cap.
Radiator Cap

409
uuMaintenance Under the Hood uTransmission Fluid
Maintenance
Transmission FluidHave a dealer check the fluid level and replace if necessary.■
Automatic Transmission FluidSpecified fluid: Acura Automatic Transmission Fluid ATF DW-1
1Automatic Transmission FluidNOTICEDo not mix Acura ATF DW-1 with other
transmission fluids.
Using a transmission fluid other than Acura ATF DW-
1 may adversely affect 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 Acura ATF DW-1 is not covered
by Acura’s new vehicle warranty.

410
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 reservoir.
Refilling Window Washer FluidIf 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 FluidNOTICEBrake fluid marked DOT 5 is not compatible with your
vehicle’s braking system and can cause extensive
damage.
If the specified brake fluid is not available, you should
use only DOT 3 or DOT 4 fluid from a sealed
container as a temporary replacement.
Using any non-Acura brake fluid can cause corrosion
and decrease the longevity of the system. Have the
brake system flushed and refilled 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 for leaks or worn brake pads as
soon as possible.
Brake Reservoir
MINMAX
1 Refilling Window Washer FluidNOTICEDo not use engine antifreeze or a vinegar/water
solution in the windshield washer reservoir.
Antifreeze can damage your vehicle’s paint. A
vinegar/water solution can damage the windshield
washer pump.

411Maintenance
Replacing Light BulbsHeadlight BulbsHeadlight bulbs are LED type. Have an authorized Acura dealer inspect and replace
the light assembly.Daytime Running Light BulbsDaytime running light bulbs are LED type. Have an authorized Acura dealer inspect
and replace the light assembly.
1 Headlight Bulbs
The headlight aim is set by the factory, and does not
need to be adjusted. However, if you regularly carry
heavy items in the cargo area or tow a trailer, have
the aiming readjusted at a dealer or by a qualified
technician.

412
uuReplacing Light Bulbs uFront Turn Signal/Front Side Marker/Parking Light Bulbs
Maintenance
Front Turn Signal/Front Side Marker/Parking Light BulbsWhen replacing, use the following bulbs.
1.Remove the holding clips, and pull the inner
fender back.
2. Turn the socket to the left and remove it.
3. Remove the old bulb a nd insert a new bulb.Side Turn Signal/Emergency Indicator Light BulbsDoor mirrors have the side turn lights. Have an authorized Acura dealer inspect and
replace the light assembly.Front Turn Signal/Side Marker/Parking Light: 28/8 W
1Front Turn Signal/Front Side Marker/Parking Light Bulbs
Insert a flat-tip screwdriver, lift and remove the center
pin to remove the clip.
Insert the clip with the center pin raised, and push
until it is flat.
Push until the
pin is flat.
Clip
Inner Fender
Bulb
Socket

413
uuReplacing Light Bulbs uBrake Light and Turn Signal Light BulbsContinued
Maintenance
Brake Light and Turn Signal Light BulbsWhen 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 the
grommets.
u The grommets should remain in the
body.
2. Use a Phillip-head screwdriver 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

414
uuReplacing Light Bulbs uTaillight and Rear Side Marker Light Bulbs
Maintenance
4. Turn the socket to the left 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 until they fully seat.
Taillight and Rear Side Marker Light BulbsTaillight and rear side marker light bulbs are the LED type. Have an authorized Acura
dealer inspect and replace the light assembly.
Bulb Socket

415
uuReplacing Light Bulbs uBack-Up Light
Maintenance
Back-Up LightWhen 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 to the left and remove it.
Remove the old bulb.
3. Insert a new bulb.Back-Up Light: 21 W
Bulb
Socket