2020 HONDA RIDGELINE coolant temperature

92
uuIndicators uMulti-Information Display Warn ing and Information Messages
Instrument Panel
Multi-Information Display Warn ing and Information Messages
The following messages appear only on the mu lti-information display. Press the (information) button to see the message again
with the system me ssage indicator on.
*1:When the tailgate is dropped ope n, the message does not appear.
MessageConditionExplanation
●Appears if any door, the trunk or the tailgate*1 is not
completely closed.
●Appears if any door, th e trunk or the tailgate*1 is
opened while driving. The beeper sounds.
●Disappears when all the doors, the trunk and the
tailgate are closed.
●Appears when there is a problem with the battery
charging system.●Have your vehicle checked by a dealer.
●Appears when the scheduled maintenance is due soon.●Consequently, Maintenance Due Now and
Maintenance Past Due follow.2Maintenance Minder Messages on the Multi-
Information Display P. 486
●Appears when the engine coolant temperature gets
abnormally high.
2Overheating P. 549

102
uuIndicators uMulti-Information Display Warn ing and Information Messages
Instrument Panel
MessageConditionExplanation
●Appears when Auto Engine Idle Stop Guidance
Screen On has been selected from the customization
menu.
2 Customized Features P. 295
2Auto Idle Stop P. 399
●Appears when Auto Idle Stop does not activate for
some reason.
●Appears when the engine restarts automatically.●Appears when the battery te mperature is around 14°F
(−10°C) or lower.
2 Auto Idle Stop Activates When: P. 400
●Appears when Auto Idle Stop does not activate because
the climate control system is in use, and the difference
between the set temperature and actual interior
temperature becomes significant.
●Appears when Auto Idle Stop does not activate because
the engine coolant temperature is too low or high.
●Appears when Auto Idle Stop does not activate because
the battery charge level is low.
●Appears when the battery is low performance.

106
Instrument Panel
Gauges and Multi-Information Display
Gauges
Gauges include the speedometer, fuel gauge, and other related indicators. They are
displayed when the power mode is in ON.
Displays your driving speed in mph or km/h.
Shows the number of engine revolutions per minute.
Displays the amount of fuel left in the fuel tank.
Displays the temperature of the engine coolant.
■Speedometer
■Tachometer
■Fuel Gauge
■Temperature Gauge
1Speedometer
Press and hold the RESET button until you hear a
beep when the blank appears on the multi-
information display.
The speedometer reading as well as the displayed
measurements will switch between mph and km/h.
The display change message will switch for a few
seconds.
1 Fuel Gauge
NOTICE
You should refuel when the needle approaches .
Running out of fuel can cause the engine to misfire,
damaging the cata lytic converter.
The actual amount of remain ing fuel may differ from
the fuel gauge reading.E
1 Temperature Gauge
NOTICE
Driving with the temperat ure gauge needle in the
upper zone can cause serious engine damage. Pull
safely to the side of th e road and allow engine
temperature to return to normal. 2 Overheating P. 549

uuWhen Driving uAuto Idle Stop
400
Driving
To turn the Auto Idle Stop system off, press
this button. The Auto Idle Stop system stops.
u Auto Idle Stop system will stop and the
indicator (Amber) will come on.
The Auto Idle Stop system is turned on every
time you start the engine, even if you turned it
off the last time you drove the vehicle.
The vehicle stops with the transmission in
(D and the brake pedal depressed.
When you put the transmission into
(P, the Auto Idle Stop continues to operate,
even if the brake pedal is released. u If you depress the brake pedal, the engine may automatically restart.
■Auto Idle Stop does not activate when:
• The Auto Idle Stop OFF button is pressed.
• The driver’s seat belt is not fastened.
• The engine coolant temperature is low or high.
• The transmission fluid temperature is low or high.
• The vehicle comes to a stop again befo re the vehicle speed reaches 3 mph (5
km/h) after the engine starts.
■Auto Idle Stop System ON/OFF1 Auto Idle Stop System ON/OFF
If you turn off the Auto Id le Stop system while it is
activated, the engine will restart.
Auto Idle Stop
System Indicator
(Amber)
■Auto Idle Stop Activates When:
1 Auto Idle Stop Activates When:
Do not open the hood while the Auto Idle Stop
function is activated. If the hood is opened, the
engine will not re start automatically.
In this case, restart the engine with the ENGINE
START/STOP button.
2 Starting the Engine P. 379
Pressing the ENGINE START/STOP button causes
the engine to no longer restart automatically.
Follow the standard proce dure to start the engine.
2 Starting the Engine P. 379

487
uuMaintenance MinderTMuTo Use Maintenance MinderTM
Continued
Maintenance
■Maintenance Service Items1Maintenance Service Items
•Independent of the maintenance message in the
multi-information display, replace the brake fluid
every 3 years.
•Adjust the valves during services A, B, 1, 2, or 3 if
they are noisy.
Maintenance Minder MessageSystem Message
Indicator
Sub Items
Main
Item
*1: If the message
Maintenance Due Now does not appear more than 12 months after the display
is reset, change the engine oil every year.
# : See information on maintenance and emissions warranty in the first column on page 575.
*2: If you drive in dusty conditions, replace the air cleaner element every 15,000 miles (24,000 km).
*3: If you drive primarily in urban areas that have high concentrations of soot in the air from industry and from diesel-powered vehicles, replace every 15,000 miles (24,000 km).
CODEMaintenance Main Items
A
●Replace engine oil*1
B●Replace engine oil*1 and oil filter●Inspect front and rear brakes●Check parking brake adjustment●Inspect tie rod ends, steering gearbox, and boots●Inspect suspension components●Inspect driveshaft boots●Inspect brake hoses and li nes (Including ABS/VSA®)●Inspect all fluid levels and condition of fluids●Inspect exhaust system#
●Inspect fuel lines and connections#
*4: Driving in mountainous areas at very low vehicle speeds or trailer towing results in higher transmission
temperatures. This requires transmission fluid changes more frequently than recommended by the
Maintenance Minder
TM. If you regularly drive your vehicle under these conditions, have the transmission
fluid changed at every 30,000 miles (48,000 km) or 2 years.
*5: If you drive regularly in very high temperatures (over 110°F, 43°C), in very low temperatures (under
-20°F, -29°C), or towing a trailer, replace every 60,000 miles (U.S.) / 100,000 km (Canada).
*6: Driving in mountainous areas at very low vehicle speeds or trailer towing results in higher level of mechanical (Shear) stress to fluid. This requires differential fluid changes more frequently than
recommended by the Maintenance Minder
TM. If you regularly drive your vehicle under these conditions,
have the differential fluid changed at 7,500 miles (12,000 km), then every 15,000 miles (24,000 km).
CODEMaintenance Sub Items
1
●Rotate tires
2●Replace air cleaner element*2
●Replace dust and pollen filter*3
●Inspect drive belt
3
●Replace transmission fluid and transfer fluid*, *4
4●Replace spark plugs●Replace timing belt and inspect water pump*5
●Inspect valve clearance
5
●Replace engine coolant
6●Replace rear differential fluid*, *6
* Not available on all models

497
uuMaintenance Under the Hood uEngine Coolant
Continued
Maintenance
Engine 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 engine coolant level every time you refuel. Check the
reserve tank first. If it is completely empty, also check the coolant level in the
radiator. Add the engine coolant accordingly.
1. Make sure the engine and radiator are cool.
2. Remove the engine compartment cover.
2 Engine Compartment Cover P. 491
3.Check the amount of coolant in the reserve
tank.
u If the coolant level is below the MIN
mark, add the specified coolant until it
reaches the MAX mark.
4. Inspect the cooling system for leaks.
Specified coolant: Honda Long Li fe Antifreeze/Coolant Type 2
■Reserve Tank
1Engine Coolant
NOTICE
Genuine Honda engine coolan t 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 Honda 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-Honda coolant can result
in corrosion, causing the cooling system to
malfunction or fail. Have the cooling system flushed
and refilled with Honda anti freeze/coolant 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 engine components.
3WARNING
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.
MAX
MIN
Reserve Tank

uuOverheating uHow to Handle Overheating
550
Handling the Unexpected
■Next thing to do
1.Check that the cooling fan is operating and
stop the engine once the temperature
gauge needle comes down.
u If the cooling fan is not operating,
immediately stop the engine.
2. Once the engine has cooled down, inspect
the coolant level an d check the cooling
system components for leaks.
u If the coolant level in the reserve tank is
low, remove the engine compartment
cover then add coolant until it reaches
the MAX mark.
2Engine Compartment Cover P. 491
uIf there is no coolan t in the reserve tank,
check that the radiator is cool. 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.
■Last thing to do
Once the engine has cooled sufficiently, re start it and check the temperature gauge.
If the temperature gauge needle has gone do wn, resume driving. If it has not gone
down, contact a dealer for repairs.
1 How to Handle Overheating
If the coolant is leaking, contact a dealer for repairs.
Use water as an emergency/temporary measure only.
Have a dealer flush the system with proper antifreeze
as soon as possible.
3WARNING
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.
Reserve Tank
MAX
MIN

Index
579
Index
Index
A
ABS (Anti-lock Brake System).................. 464
AC Power Outlet ...................................... 183
Accessories and Modifications ................ 528
Accessory Power Sockets ......................... 178
Adaptive Cruise Control (ACC) ................ 432
Indicator ................................................... 87
Additives
Coolant .................................................. 497
Engine Oil ............................................... 492
Washer ................................................... 500
Adjusting Armrest .................................................. 170
Front Seats.............................................. 162
Head Restraints ............................... 167, 168
Mirrors.................................................... 160
Rear Seats ............................................... 165
Steering Wheel ....................................... 159
Temperature ........................................... 109
Agile Handling Assist ............................... 406
Air Conditioning System (Climate Control System) ....................... 187
Changing the Mode................................ 187
Defrosting the Windshield and Windows .............................................. 188
Dust and Pollen Filter .............................. 521
Recirculation/Fresh Air Mode................... 188
Sensor .................................................... 193
Synchronized Mode ................................ 190
Using Automatic Climate Control............ 187
Air Pressure ...................................... 510, 569 Airbags
........................................................ 42
Advanced Airbags ..................................... 48
After a Collision ......................................... 46
Airbag Care ............................................... 54
Front Airbags (SRS) .................................... 45
Indicator .............................................. 52, 78
Passenger Airbag Off Indicator .................. 53
Sensors ...................................................... 42
Side Airbags .............................................. 49
Side Curtain Airbags .................................. 51
All-wheel drive (AWD) Indicator ............... 84
AM/FM Radio ............................................ 228
Android Auto ............................................ 267
Anti-lock Brake System (ABS) .................. 464
Indicator .................................................... 78
Apple CarPlay ........................................... 264
Armrest ..................................................... 170
Audio Remote Controls ............................ 201
Audio System ............................................ 196
Adjusting the Sound ................................ 221
Audio/Information Screen ........................ 204
Auxiliary Input Jack .................................. 199
Changing the Home Screen Icon Layout ................................................... 208
Closing Apps ........................................... 218
Display Setup ........................................... 222
Error Messages ........................................ 272
General Information ................................ 276
Home Screen ........................................... 211
Limitations for Manua l Operation ............ 223
MP3/WMA/AAC .............................. 239, 251 Playing a CD............................................ 239
Reactivating ............................................ 200
Recommended CDs ................................. 277
Remote Controls ..................................... 201
Security Code .......................................... 200
Selecting an Audio Source ....................... 223
Status Area ............................................. 217
Theft Protection ...................................... 200
Truck Bed Audio...................................... 271
USB Flash Drives .............................. 251, 279
USB Port.................................................. 197
Wallpaper Setup...................................... 209
Audio/Information Screen ....................... 204
Authorized Manuals ................................ 577
Auto Door Locking/Unlocking ................. 126
Customize ....................................... 311, 312
Auto High-Beam ....................................... 150
Indicator.................................................... 82
Auto Idle Stop .......................................... 399
OFF Button .............................................. 400
Auto Idle Stop Indicator (Green) ............... 85
Auto Idle Stop System Indicator
(Amber) ..................................................... 85
Automatic Intermittent Wipers ............... 154
Automatic Lighting .................................. 146
Automatic Transmission .........

.................. 387
Creeping ................................................. 387
Fluid ........................................................ 499
Kickdown ................................................ 387
Operating the Shift Button ...................... 390
Shifting ................................................... 388