engine overheat Acura MDX 2015 Owner's Guide

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vISUAL INDex
Quickly locate items in the vehicle’s interior.
Steering Wheel and Nearby Controls
1 Lights/turn signals p. 34, 36
2 Wipers/washers p. 36
3 Cruise control/Adaptive Cruise
Control (ACC) with Low Speed Follow*
buttons p. 96, 96
4 Voice recognition/Bluetooth®
HandsFreeLink® buttons p. 66
5 Horn
6 Audio controls p. 52
7 Instrument panel p. 23
Multi-information display p. 27
8 Right selector wheel p. 27
TRIP button p. 27
9 Paddle shifters p. 93
10 Distance (ACC) button* p. 97
11 Lane Keeping Assist System
(LKAS) button* p. 101
12 ENGINE START/STOP button p. 92
13 Vehicle Stability Assist (VSA®)
button p. 94
Lane Departure Warning (LDW)
button* p. 100
Parking sensor button* p. 104
Collision Mitgation Braking
System
TM (CMBSTM) button* p. 103
Heated windshield button* p. 48
Headlight washer button* p. 34
14 Heated steering wheel button* p. 48
vISUAL INDex
1
45
9
61011
7283
131412
*if equipped*if equipped
v ehicle Stability Assist (vSA®), aka
electronic Stability Control (eSC)
System ............................................. 94
Braking ............................................. 95
Cruise Control ................................ 96
Adaptive Cruise Control (ACC)
with Low Speed Follow* ............... 97
Forward Collision Warning
(FCW)* ............................................. 99
Lane Departure Warning
(LDW)* .......................................... 100
Lane Keeping Assist System
(LKAS)* ........................................... 101
Blind Spot Information (BSI)
System* ......................................... 102
Collision mitigation Braking
System™ (CmBS™)* ................... 103
Parking Sensor System* .............. 104
multi- view rear Camera ............. 105
Surround view Camera* ............. 106
r efueling ....................................... 107
HANDLING THe UNexPeCTeD ...108
Keyless Access r emote Battery
Strength ......................................... 108
Jump Starting ................................ 108
Shift Lever Does Not move ........ 109
overheating ................................... 110
emergency engine Stop ................ 111
Tire Pressure monitoring System
(TPmS) ............................................ 111
Changing a Flat Tire ...................... 112Tire r
epair Kit* .............................. 116
Fuse Locations ............................... 117
emergency Towing ....................... 120
mAINTeNANCe ............................. 121
Safety Precautions ........................ 121
maintenance minder™ ................ 122
Under the Hood ............................ 124
engine oil ...................................... 125
engine Coolant .............................. 127
Window Washer Fluid ................. 128
Checking the Battery ................... 128
Changing Wiper Blades ............... 129
Tire Information ........................... 130
Tire Labeling .................................. 133
Do T Tire Quality Grading ........... 134
Tire Pressure monitoring System
(TPmS) - r equired Federal
explanation ................................... 136
Testing of readiness Codes ........ 137
SPeCIFICATIoNS ......................... 138
CLIeNT INFormATIoN .............. 139
Frequently Asked Questions/
Troubleshooting ........................... 139
Contact Us .................................... 140
Acura Total Luxury Care r oadside
Assistance ...................................... 141
Warranty Coverages ..................... 141
v oICe CommAND INDex ......... 142
INDex ............................................ 148

110 || 111
HANDLING THe UNexPeCTeD
HANDLING THe UNexPeCTeD
overheating
If the temperature gauge needle is at the H mark, the engine suddenly loses power, or
steam or spray comes out from under the hood, your engine is overheating.
1. Immediately park the vehicle in a safe place. Turn off all
accessories and turn on the hazard warning lights.
2. If no steam or spray is present: Keep the engine
running and open the hood (see page 124).
If steam or spray is present: Turn off the engine and wait
until it subsides. Then, open the hood.
3. Check that the cooling fan is operating and stop the engine once the temperature gauge
needle goes down. If the cooling fan is not operating, immediately stop the engine.
4. Once the engine has cooled down, inspect the coolant level and check the cooling
system components for leaks. If the coolant level in the reserve tank is low, add coolant
until it reaches the MAX mark. If there is no coolant in the reserve tank, make sure the
radiator is cool, then cover the radiator cap with a heavy cloth and open the cap. If
necessary, add coolant up to the base of the filler neck, and put the cap back on.
Once the engine has cooled sufficiently, restart it and check the temperature gauge. If the
temperature needle has gone down, resume driving. If it has not gone down, contact a
dealer for repairs.
Steam and spray from an overheated engine can seriously scald you.
Do not open the hood if steam is coming out.
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.
Continuing to drive with the temperature gauge needle at the H mark may damage the
engine.
MAX MIN
Reserve tank
WArNING
WArNING
No TICe
emergency engine Stop
The ENGINE START/STOP button may be used to stop the engine due to an emergency
situation even while driving. If you must stop the engine, choose one of the following
operations:
• Press and hold the ENGINE START/STOP button for two
seconds, or
•  Firmly press the ENGINE START/STOP button two times.
The steering wheel will not lock. The power mode changes to ACCESSORY (unless the shift
lever is in Park, in which case the power mode changes to VEHICLE OFF).
Because turning off the engine also disables the power assist the engine provides to the
steering and braking systems, it will require significantly more physical effort and time
to steer and slow the vehicle. Downshift gears and use both feet on the brake pedal, if
necessary, to slow the vehicle and stop immediately in a safe place.
Do not press the button while driving unless it is absolutely necessary for the engine to be
switched off.
Tire Pressure monitoring System (TPmS)
Monitors the tire pressure while you are driving.
If your vehicle’s tire pressure becomes significantly low, the low tire pressure indicator
comes on and a message appears on the multi-information display.
Roll the right selector wheel
to the tire pressure monitor
to see which tire(s) have low
pressure.
What to Do Stop your vehicle in a safe place. Adjust the tire pressure to the level specified on a label
on the driver’s doorjamb.
Driving on an extremely underinflated tire can cause it to overheat. An overheated tire can
fail. Always inflate your tires to the specified pressure.
No TICe
NoTICe

136 || 137
mAINTeNANCe
mAINTeNANCe
Tire Pressure monitoring System (TPmS) - r equired Federal explanation
Each tire, including the spare (if provided), should be checked monthly when cold
and inflated to the inflation pressure recommended by the vehicle manufacturer
on the vehicle placard or tire inflation pressure label.
(If your vehicle has tires of a different size than the size indicated on the vehicle
placard or tire inflation pressure label, you should determine the proper tire
inflation pressure for those tires.)
As an added safety feature, your vehicle has been equipped with a tire pressure
monitoring system (TPMS) that illuminates a low tire pressure telltale
when one or more of your tires is significantly under-inflated.
Accordingly, when the low tire pressure telltale illuminates, you
should stop and check your tires as soon as possible, and inflate them
to the proper pressure.
Driving on a significantly under-inflated tire causes the tire to overheat and can
lead to tire failure. Under-inflation also reduces fuel efficiency and tire tread life,
and may affect the vehicle’s handling and stopping ability.
Please note that the TPMS is not a substitute for proper tire maintenance, and it is
the driver’s responsibility to maintain correct tire pressure, even if under-inflation
has not reached the level to trigger illumination of the TPMS low tire pressure
telltale.
Your vehicle has also been equipped with a TPMS malfunction indicator to indicate
when the system is not operating properly. The TPMS malfunction indicator
is combined with the low tire pressure telltale. When the system detects a
malfunction, the telltale will flash for approximately one minute and then remain
continuously illuminated. This sequence will continue upon subsequent vehicle
start-ups as long as the malfunction exists.
When the malfunction indicator is illuminated, the system may not be able to
detect or signal low tire pressure as intended.
TPMS malfunctions may occur for a variety of reasons, including the installation
of replacement or alternate tires or wheels on the vehicle that prevent the TPMS
from functioning properly.
Always check the TPMS malfunction telltale after replacing one or more tires
or wheels on your vehicle to ensure that the replacement or alternate tires and
wheels allow the TPMS to continue to function properly.
Testing of readiness Codes
Your vehicle has “Readiness Codes” as part of the onboard self-diagnostic system. Some
states refer to these codes as a test to see if your vehicle’s emissions components are
working properly. The codes may not be read if you go through the testing just after the
battery has gone dead or been disconnected.
To check if they are set, set the power mode to ON without starting the engine. The
malfunction indicator lamp will come on for several seconds. If it goes off, the readiness
codes are set. If it blinks five times, the readiness codes are not set.
If you are required to have your vehicle tested before the readiness codes are set, prepare
the vehicle for retesting by doing the following:
1. Fill the gas tank to approximately 3/4 full.
2. Park the vehicle and leave the engine off for 6 hours or more.
3. Make sure the ambient temperature is between 40°F and 95°F (4°C and 35°C).
4. Start the engine without touching the accelerator pedal, and let it idle for 20 seconds.
5. Keep the vehicle in Park (P). Increase the engine speed to 2,000 rpm, and hold it there
for about 3 minutes.
6. Let the engine idle with your foot off the accelerator for 20 seconds.
7. Select a nearby, lightly traveled major highway where you can maintain a speed of 50 to
60 mph (80 to 97 km/h) for at least 20 minutes. Drive on the highway with the vehicle
in Drive. Do not use cruise control. When traffic allows, drive for 90 seconds without
using the accelerator pedal. (Vehicle speed may vary slightly; this is OK.) If you cannot
do this for a continuous 90 seconds because of traffic conditions, drive for at least 30
seconds, then repeat two more times (for a total of 90 seconds).
8. Drive in city/suburban traffic for at least 10 minutes. When traffic conditions allow, let
the vehicle coast for several seconds without using the accelerator pedal or the brake
pedal.
9. Park the vehicle and leave the engine off for 30 minutes.
The readiness codes are erased when the battery is disconnected, and set again only after
several days of driving under a variety of conditions.
If a testing facility determines that the readiness codes are not set, you may be requested
to return at a later date to complete the test, or see your dealer.

150 || 151
INDex
INDex
Exterior Lights ............................................ 34
Front Lights .................................................. 35
Interior Lights .............................................. 35
LKAS ................................................... 24, 101
Lock tab ............................................................ 31
Low fuel ............................................................ 25
Low oil pressure .............................................. 23
Low tire pressure ............................................. 25
Maintenance .................................................. 121
Battery ....................................................... 128
Engine Coolant ......................................... 127
Engine Oil .................................................. 125
Opening the Hood ................................... 124
Service Codes ............................................ 122
Under the Hood ....................................... 124
Window Washer Fluid ............................. 128
Wiper Blades ............................................. 129
Maintenance Minder .................................... 122
Making a Call .................................................. 69
Malfunction indicator lamp .......................... 23
Map Legend ...................................................... 81
Master Door Lock Switch .............................. 31
Maximum Load Limit .................................... 85
MENU button .................................... 53, 66, 77
Mirrors ............................................................ 41
Moonroof ........................................................ 33
Multi-Information Display ............................ 27
System message ......................................... 25
Multi-View Rear Camera ............................. 105
Navigation ....................................................... 76
Detour .......................................................... 82
Entering a Destination ............................... 79
Find Nearest Place ..................................... 80
Home Address ............................................. 79
INFO button ................................................ 77
Interface dial ................................................ 77
Map Legend .................................................. 81
MENU button .............................................. 77
NAV button .................................................. 77
Place Category ........................................... 80
Routing ......................................................... 81
SETTINGS button ....................................... 77
Shortcuts ..................................................... 80
Steering Wheel Controls ........................... 76
Street Address ............................................. 79
System Guidance Volume ......................... 78
Talk button ................................................... 76
Traffic ........................................................... 82
Voice Command Tips .................................. 76
Voice Prompt ............................................... 78
Navigation Commands ................................ 142
ODMD ............................................................ 53
On-Demand Multi-Use Display (ODMD) ... 53
One-Touch Turn Signal ................................. 36
Opening the Hood ........................................ 124Overheating ...................................................
110
Paddle shifters ................................................ 93
Pairing a Phone ............................................... 68
Pandora® ......................................................... 60
Parking brake ............................................ 25, 95
Parking Sensor System ................................ 104
Phone ........................................................... 68
Phonebook ....................................................... 70
PHONE button ............................................... 66
Phone Commands ....................................... 146
Pick-Up button ............................................... 66
Place Category ............................................... 80
Power Door Mirrors ........................................ 41
Power Moonroof ............................................ 33
Power Tailgate ................................................ 30
Power Windows .............................................. 32
Rain-Sensing Wipers ..................................... 36
Readiness Codes ............................................ 137
Rear Camera .................................................. 105
Rear Climate Control ..................................... 47
Rear Entertainment System .......................... 62
Headphones ................................................ 63
Remote Control .......................................... 64
Ultrawide Dual Screen ............................... 65
Rear Seats ........................................................ 43
Second-Row Seats .............................. 43, 44
Third-Row Seats .................................. 43, 44
Rearview Mirror ............................................... 41
Rear Wiper ........................................................ 37
Refueling ......................................................... 107
Remote Battery Strength ........................... 108
Remote Control .............................................. 64
Remote Engine Start ...................................... 91
Remote Transmitter ...................................... 28
Reporting Safety Defects .............................. 22
Reverse Tilt Door Mirrors .............................. 41
Roadside Assistance ..................................... 141
Routing ............................................................ 81
Safety Information ........................................... 3
Child Safety .................................................. 15
Reporting Safety Defects .......................... 22
Safety Label Locations ............................... 21
Safety Messages ............................................ 4
Seat Belts ........................................................... 5
Adjusting the Shoulder Anchor .................. 7
Fastening a Seat Belt .................................... 7
Lap/Shoulder Seat Belts .............................. 5
Proper Use of Seat Belts .............................. 5
Seat Belt Inspection ..................................... 6
Seat belt Reminder ..................................... 25
Seat Belt with Detachable Anchor ............ 8
Seat Heaters and Ventilation ...................... 49
Seats ........................................................... 38
Rear Seats .................................................... 43
Second-Row Seats .............................. 43, 44Third-Row Seats ..................................
43, 44
Second-Row Seat Heaters ........................... 49
Second-Row Seats .................................. 43, 44
Selector wheel .................................... 27, 52, 66
Sequential Shift Mode .................................. 93
Service Codes ................................................ 122
Settings ........................................................... 50
SETTINGS button ............................. 53, 66, 77
Setting the Clock ........................................... 50
SH-AWD ........................................................... 24
Shifting ............................................................ 92
Sequential Shift Mode .............................. 93
Shift Lever Does Not Move ........................ 109
Shoulder Anchor ............................................... 7
Side Airbags ..................................................... 10
Side Curtain Airbags ....................................... 10
SiriusXM® Radio ............................................. 55
SMS Text Messaging ....................................... 72
Sound ............................................................ 52
SOURCE button .............................................. 52
Specifications ............................................... 138
Speed Dial .................................................. 70, 71
SRS ............................................................ 24
Steering Wheel
............................................... 42
Heated Steering Wheel ............................. 48
Steering Wheel and Nearby Controls ........... 1
Steering Wheel Controls ........................ 52, 76
Street Address ................................................. 79
Super-Handling All-Wheel Drive ................. 24
Supplemental Restraint System .................. 24
Surround View Camera ............................... 106
System Guidance Volume ............................. 78
System message ............................................. 25
Tailgate ............................................................ 29
Talk button ................................................ 66, 76
Text Messaging ................................................ 72
Third-Row Seats ...................................... 43, 44
Tire Chains ...................................................... 132
Tire Information ........................................... 130
DOT Tire Quality Grading ...................... 134
Tire and Loading Information Label ...... 131
Tire and Wheel Replacement.................. 131
Tire Chains .................................................. 132
Tire Identification Number ..................... 133
Tire Labeling ............................................... 133
Tire Terminology ....................................... 133
Winter Tires ................................................ 132
Tire Pressure Monitoring System ...24, 111, 136
Tire Repair Kit ................................................ 116
Tire Specifications ........................................ 138
Tongue load .................................................... 88
Towing a Trailer ............................................... 87
Load limits .................................................... 87
Tongue load ................................................ 88
Trailer weight ............................................... 87TPMS
.................................................... 24, 111
Traffic ........................................................... 82
TRIP button ...................................................... 27
Troubleshooting ............................................ 139
Turn Signal ...................................................... 36
Ultrawide Dual Screen ................................... 65
Under the Hood ............................................ 124
USB Flash Drive .............................................. 58
USB Port ........................................................... 51
Utility Vehicle ................................................. 84
Vehicle Controls ............................................. 28
Vehicle Specifications ................................. 138
Vehicle Stability Assist ............................ 24, 94
Voice Command Index ................................. 142
Voice Command Tips ................................67, 76
Voice Prompt ................................................... 78
VSA® ..................................................... 24, 94
Warranty Coverages ..................................... 141
Windows ........................................................... 32
Window Washer Fluid .................................. 128
Winter Tires .................................................... 132
Wipers ........................................................... 36
Wiper Blades .................................................. 129
Wireless headphones .................................... 63