Page 566 of 617

The pointer of your vehicle's
temperature gauge should stay in the
midrange under most conditions. If it
climbs to the red mark, you should
determine the reason (hot day,
driving up a steep hill, etc.).
If the vehicle overheats, you should
take immediate action. The only
indication may be the temperature
gauge climbing to or above the red
mark. Or you may see steam or spray
coming from under the hood.Driving with the temperature gauge
pointer at the red mark can cause
serious damage to the engine.
Steam and spray from an
overheated engine can
seriously scald you.
Do not open the hood if steam
is coming out.1. Safely pull to the side of the road.
Put the transmission in Park, and
set the parking brake. Turn off all
accessories, and turn on the
hazard warning indicators.
2. If you see steam and/or spray
coming from under the hood, turn
off the engine. Wait until you see
no more signs of steam or spray,
then open the hood.
3. If you do not see steam or spray,
leave the engine running and
watch the temperature gauge. If
the high heat is due to
overloading, the engine should
start to cool down almost
immediately. If it does, wait until
the temperature gauge comes
down to the midpoint, then
continue driving.
If the Engine Overheats56012/07/17 18:10:57 13 ACURA MDX MMC North America Owner's M 50 31STX660 enu
Page 568 of 617

Low Oil Pressure Indicator
This indicator should never
come on when the engine is
running. If it starts flashing or stays
on, the oil pressure has dropped very
low or lost pressure. Serious engine
damage is possible, and you should
take immediate action.
You will also see a‘‘CHECK
ENGINE OIL LEVEL’’message on
the multi-information display when
this indicator comes on.
The indicator notifies you of low oil
pressure and does not measure the
oil level. Check your vehicle's oil
level at each refueling.
Running the engine with low oil
pressure can cause serious mechanical
damage almost immediately. Turn off
the engine as soon as you can safely get
the vehicle stopped.1. Safely pull off the road, and shut
off the engine. Turn on the hazard
warning indicators.
2. Let the vehicle sit for a minute.
Open the hood, and check the oil
level (see page 427). An engine
very low on oil can lose pressure
during cornering and other driving
maneuvers.
3. If necessary, add oil to bring the
level back to the full mark on the
dipstick (see page 517).
4. Start the engine, and watch the oil
pressure indicator. If it does not go
out within 10 seconds, turn off the
engine. There is a mechanical
problem that needs to be repaired
before you can continue driving
(seeEmergency Towingon page
572).Charging System Indicator
If the charging system
indicator comes on brightly
when the engine is running, the
battery is not being charged.
You will also see a‘‘CHECK
CHARGING SYSTEM’’message on
the multi-information display (see
page 87).
Immediately turn off all electrical
accessories. Try not to use other
electrically operated controls such as
the power windows. Keep the engine
running; starting the engine will
discharge the battery rapidly.
Go to a service station or garage
where you can get technical
assistance.
Low Oil Pressure Indicator, Charging System Indicator56212/07/17 18:10:57 13 ACURA MDX MMC North America Owner's M 50 31STX660 enu
Page 571 of 617
The vehicle's fuses are located in
four fuse boxes.
The interior fuse box is underneath
the dashboard on the driver's side.
To remove the fuse box lid, put your
finger in the notch on the lid, pull it
toward you, and take it out of its
hinges.
The rear fuse box is located at the
left side of the cargo area.
The primary under-hood fuse box is
located next to the battery.
To open it, push the tabs as shown.
INTERIOR
LID
REAR
LID
UNDER-HOOD (PRIMARY)
TAB
CONTINUED
Fuses
565
Taking Care of the Unexpected
12/07/17 18:10:57 13 ACURA MDX MMC North America Owner's M 50 31STX660 enu
Page 572 of 617
The secondary fuse box is on the
passenger's side.
To open it, push the tabs as shown.
If equippedThe sub fuse box is on the
passenger's side.
To open it, push the tabs as shown.Checking and Replacing Fuses
If something electrical in your
vehicle stops working, the first thing
you should check for is a blown fuse.
Determine from the chart on pages
569, 570, and 571, or the diagram on
the fuse box lid, which fuse or fuses
control that device. Check those
fuses first, but check all the fuses
before deciding that a blown fuse is
the cause. Replace any blown fuses,
and check if the device works.
1. Turn the ignition switch to the
LOCK (0) position. Make sure the
headlights and all other
accessories are off.
2. Remove the cover from the fuse
box.
UNDER-HOOD (SECONDARY)
TAB
UNDER-HOOD (SUB)
TAB
Fuses56612/07/17 18:10:57 13 ACURA MDX MMC North America Owner's M 50 31STX660 enu
Page 575 of 617

PRIMARY UNDER-HOOD FUSE BOX
No. Amps. Circuits Protected
1 120 A Main fuse
-Not Used
2-1 30 A ADS
ᤳ2
2-2 30 A SH-AWD
2-3 30 A Rear Blower Motor
2-4 40 A ABS VSA
2-5 40 A Trailer Main
2-6 40 A Power Seats, Driver's Position
Memory System, Subwoofer,
Telescopic Steering Wheel
2-7 40 A Front Heated Seat, TPMS,
Moonroof, Driver's Lumbar
Support
2-8--
3-1 60 A Fog Lights, Front Blower
Motor, Interior Light
3-2 40 A Headlights, Daytime Running
Lights
3-3 60 A Cooling Fan, Condenser Fan,
MG Clutch, Headlight
Washer
ᤳ1
3-4 50 A Ignition Switch Main
ᤳ1: Canadian model
ᤳ2: If equippedNo. Amps. Circuits Protected
3-5 50 A Power Window
3-6 60 A Power Tailgate Opener/Closer,
Rear ACC Socket, Interior
Light,
Rear Defroster
3-7 30 A ECU (PCM)
3-8 30 A TECH
4 40 A Audio, Door Lock, Interior
Lights, Front ACC Socket
5 30 A EPT-L
ᤳ2
6 30 A EPT-R
ᤳ2
7 30 A FI ECU
8 30 A Audio Amplifier
9 7.5 A Battery Sensor
10 15 A Hazard
11 15 A Horn, Stop
12 20 A ABS VSA
13 20 A Trailer (Brake)
14 20 A Rear Heated Seat
ᤳ2
15 20 A A/C Inverter
CONTINUED
Fuse Locations
569
Taking Care of the Unexpected
12/07/17 18:10:57 13 ACURA MDX MMC North America Owner's M 50 31STX660 enu
Page 609 of 617

Gauge
......................................
78
Low Fuel Indicator
...................
77
Octane Requirement
...............
422
Opening the Fuel Fill Door
Manually
.............................
572
Reserve Indicator
.....................
77
Tank, Filling the
......................
424
Tighten Fuel Cap
....................
425
Fuel Economy
............................
428
Fuses, Checking the
..................
566
G
Gas Mileage, Improving
.............
429
Gasoline
.....................................
422
Gauge
......................................
78
Low Fuel Indicator
...................
77
Octane Requirement
...............
422
Tank, Refueling
.......................
424
Gas Station Procedures
..............
424
Gauges
Engine Coolant Temperature...
78
Fuel
..........................................
78
Speedometer
............................
78
Tachometer
..............................
78GAWR (Gross Axle Weight
Rating)
...................................
488
GCWR (Gross Combined Weight
Rating)
...................................
488
Gearshift Lever Positions
Automatic
Transmission
...............
443, 444
Glove Box
..................................
175
Gross Axle Weight Rating
(GAWR)
.................................
488
Gross Vehicle Weight Rating
(GVWR)
.................................
488
GVWR (Gross Vehicle Weight
Rating)
...................................
488
H
Halogen Headlight Bulbs
...........
527
Hazard Warning Flashers
..........
132
Headlights
.................................
128
Aiming
....................................
527
Automatic Lighting Off
............
131
Daytime Running Lights
.........
130
High Beam Indicator
................
74
High Beams, Turning on
.........
128Lights On Indicator
..................
74
Low Beams, Turning on
..........
128
Reminder Chime
.....................
129
Replacing Halogen Bulbs
........
527
Turning on
..............................
128
Washers
..................................
127
Headphones
...............................
338
Head Restraints
..........................
150
Heated Mirror
............................
167
Heaters, Seats
............................
157
Heating and Cooling
..................
182
High Altitude, Starting at
............
442
High Beam Lever
................
128, 129
High-Low Beam Switch
..............
128
HomeLink
®Universal
Transceiver
............................
363
Hood, Opening and Closing
the
..........................................
426
Horn
......................................
4, 125
I
Identification Number,
Vehicle
...................................
576
CONTINUED
Index
V
INDEX
12/07/17 18:10:57 13 ACURA MDX MMC North America Owner's M 50 31STX660 enu