
525
Maintenance
Maintenance Under the Hood
Maintenance Items Under the Hood
Brake Fluid
(Black Cap)
Washer Fluid
Radiator Cap
Engine Coolant
Reserve Tank Engine Oil Dipstick
(Orange) Engine Oil Fill Cap
Battery
Automatic Transmission Fluid Dipstick

531
uuMaintenance Under the Hood uChanging the Engine Oil and Oil Filter
Continued
Maintenance
Changing the Engine Oil and Oil Filter
You must change the engine oil and oil fi lter regularly in order to maintain the
engine’s lubrication. The engine may be damaged if they are not changed regularly.
Change the oil and filter in accordance with the maintenance message on the multi-
information display. 1.Run the engine until it reaches normal
operating temperature, and then turn the
engine off.
2. Open the hood and remove the engine oil
fill cap.
3. Remove the drain bolt and washer from
the bottom of the engine, and drain the
oil into a suitable container.1Changing the Engine Oil and Oil Filter
NOTICE
You may damage the environment if you do not
dispose of the oil in a suitable way. If you are
changing the oil by yourself , appropriately dispose of
the used oil. Put the oil in a sealed container and take
it to a recycling center. Do not throw the oil away
into a garbage can or onto the ground.
Drain Bolt
Washer

uuMaintenance Under the Hood uChanging the Engine Oil and Oil Filter
532
Maintenance
4. Remove the oil filter and dispose of the
remaining oil.
5. Check that the filter ga sket is not stuck to
the engine contact surface.
u If it is stuck, you must detach it.
6. Wipe away dirt and dust adhering to the
contact surface of the oil filter base, and
install a new oil filter.
u Apply a light coat of new engine oil to
the oil filter rubber seal.
7. Put a new washer on the drain bolt, then
reinstall the drain bolt.
u Tightening torque:
29 lbf∙ft (39 N∙m, 4.0 kgf∙m)
8. Pour the recommended engine oil into the
engine.
u Engine oil change capacity (including
filter):
5.7 US qt (5.4 ℓ)
9. Reinstall the engine oil fill cap securely and
start the engine.
10. Run the engine for a few minutes, and
then check that there is no leak from the
drain bolt or oil filter.
11. Stop the engine, wait for three minutes,
and then check the oil level on the
dipstick.
u If necessary, add more engine oil.1Changing the Engine Oil and Oil Filter
You will need a special wrench to replace the oil
filter. You can buy this wrench from a dealer.
When installing the new oil filter, follow the
instructions supplied with the oil filter.
Reinstall the engine oil fill cap. Start the engine. The
low oil pressure indicator should go off within five
seconds. If it does not, turn off the engine, and check
your work.
Oil Filter

536
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
Check the amount of window washer fluid.
If the level is low, fill the washer reservoir.
If the washer fluid is low, a message appears on the multi-information display.
Pour the washer fluid carefully. Do not overflow the reservoir.
Specified fluid: Honda 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 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-Honda brake fluid can cause corrosion
and decrease the longevity of the system. Have the
brake system flushed and re filled with Honda 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 Reservoir
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.
Models without washer level sensor
Models with washer level sensor

uuIf a Tire Goes Flat uChanging a Flat Tire
574
Handling the Unexpected
As a temporary mounting location, you ma y secure the compact spare tire on the
pickup bed, if needed. 1.Wrap a cloth around the tip of a small flat-
tip screwdriver. Put it into the cap as shown
in the image, and remove the cap.
2. Remove the compact spare tire from the
tire tray.
2 Getting Ready to Replace the Flat Tire
P. 568
3. Place the compact spare tire on the pickup
bed as shown.
4. Place the spacer cone on the wheel hub and
the spacer washer within the spacer cone.
Then secure the compact spare tire to the
pickup bed with the wing bolt as shown.
5. Store or secure the tool box.
If you remove the comp act spare tire from the
pickup bed, reinstall th e cap to its original
location.
■Securing a Compact Spare Tire on the Pickup Bed1 Securing a Compact Spare Tire on the Pickup Bed
The spacer washer is stored in the tool box.
Cap
Spacer Cone
Wing BoltSpacer Washer

590
uuFuses uFuse Locations
Handling the Unexpected
■Circuit protected and fuse rating
Circuit ProtectedAmps
1
−(70 A)*1
AC INVERTER70 A*2
RR BLOWER30 A*1
−(30 A)*2
VSA MTR40 A
VSA FSR20 A
MAIN FAN30 A*1
−(30 A)*2
MAIN FUSE150 A
2
SUB FAN30 A
WIP MTR30 A
WASHER20 A
−(20 A)
−(30 A)
FR BLOWER40 A
AUDIO AMP(30 A)
RR DEF30 A*1
−(30 A)*2
−(40 A)
−(30 A)*1
RR DEF30 A*2
−(20 A)
3
−−*1
RR BLOWER30 A*2
−−*1
−(30 A)*2
−−*1
−(30 A)*2
−−*1
MAIN FAN30 A*2
4SMALL 10 A*1
STOP
10 A*2
5−−
6 STOP 10 A*1
SMALL
10 A*2
7−−
8 L H/L LO 10 A*1
IGPS
7.5 A*2
9−−
10 R H/L LO 10 A*1
L H/L LO
10 A*2
11IGPS7.5 A*1
R H/L LO10 A*2
12INJECTOR 20 A*1
IG COIL
15 A*2
13H/L LO MAIN20 A*1
DBW15 A*2
14USB (15 A)
Circuit ProtectedAmps
*1:Models without the AC power outlet
*2:Models with the AC power outlet
15FR FOG(15 A)*1
BACK UP10 A*2
16HAZARD 15 A*1
MAIN RLY 15 A*2
17AS P/SEAT (REC)(20 A)
18 AS P/SEAT (SLI) (20 A)
19ACM20 A
20 MG CLUTCH 7.5 A
21MAIN RLY15 A*1
HAZARD15 A*2
22 FI SUB 15 A
23IG COIL15 A*1
INJECTOR20 A*2
24DBW
15 A*1
H/L LO MAIN 20 A*2
25SMALL/STOP MAIN20 A
26 BACK UP 10 A*1
FR FOG
15 A*2
27H/STEERING WHEEL(10 A)
28 HORN 10 A
29RADIO20 A
Circuit ProtectedAmps

600
Information
Specifications
■Vehicle Specifications
*1: Models with AWD
*2: Models with 2WD
■Air Conditioning
ModelRidgeline
No. of Passengers:
Front 2
Rear 3
Total 5
Weights:Gross Vehicle
Weight Rating6019 lbs (2730 kg)*1
5710 lbs (2590 kg)*2
Gross Axle Weight
Rating (Front)3131 lbs (1420 kg)*1
3042 lbs (1380 kg)*2
Gross Axle Weight
Rating (Rear)3219 lbs (1460 kg)*1
3042 lbs (1380 kg)*2
Gross Combined Weight
Rating 9987 lbs (4530 kg)*1
8201 lbs (3720 kg)*2
Air Conditioning:Refrigerant TypeHFO-1234yf (R-1234yf)Charge Quantity20.3 – 22.0 oz (575 – 625 g)Lubricant TypeRL85HM (POE)Quantity7.5 – 8.7 cu-in (123 – 143 cm3)
■
Engine Specifications
■ Fuel
■ Washer Fluid
Displacement211.8 cu-in (3,471 cm3)
Spark Plugs NGK DILZKR7B11G
TypeUnleaded gasoline, Pump octane number
of 87 or higher
Fuel Tank Capacity 19.5 US gal (73.8 ℓ)
Tank CapacityU.S.: 1.0 US gal (3.8 ℓ)
Canada: 1.4 US gal (5.3 ℓ)
■ Light Bulbs
*1: Models with LED low beam headlights
*2: Models without LED low beam headlights
*3: Models with LED day time running lights
*4: Models without LED day time running lights
*5: Models with moonroof
*6: Models without moonroof
Headlights (Low Beam)LED*1
55 W*2 (H11)
Headlights (High Beam) 60W (HB3)
Fog Lights*35 W (H8)
Front Turn Signal/Parking Lights*28/8 W (Amber)Parking Lights*LED
Front Side Marker Lights LED
Daytime Running LightsLED*3
60W (HB3)*4
Side Turn Signal Lights (on Door Mirrors)*LEDRear Side Marker LightsLED
Brake/Taillights LED
Back-Up Lights21 W
Rear Turn Signal Lights 21 W
High-Mount Brake LightLED
Rear License Plate Lights 5 W
Bed LightsLED*1
3CP*2
Interior Lights
Front Map Lights LED*5
5 W*6
Rear Map Lights
5 W
Vanity Mirror Lights*1.4 W
Door Pocket Lights*LED
Beverage Holder Light*LED
Door Courtesy Lights*3.8 W
Door Inner Handle Lights*LED
Console Compartment Light 1.4 W
Glove Box Light 1.4 W
Foot Lights
*LED
* Not available on all models

Index
611
Index
Index
A
ABS (Anti-lock Brake System).................. 490
AC Power Outlet ...................................... 184
Accessories and Modifications ................ 563
Accessory Power Sockets ......................... 177
Adaptive Cruise Control (ACC) ................ 455
Indicator ................................................... 85
Additives
Coolant .................................................. 533
Engine Oil ............................................... 528
Washer ................................................... 536
Adjusting Armrest .................................................. 170
Front Seats.............................................. 163
Head Restraints ............................... 168, 169
Mirrors.................................................... 161
Rear Seats ............................................... 166
Steering Wheel ....................................... 160
Temperature ........................................... 106
Agile Handling Assist ............................... 478
Air Conditioning System (Climate Control System) ....................... 188
Changing the Mode................................ 189
Defrosting the Windshield and Windows .............................................. 189
Dust and Pollen Filter .............................. 556
Recirculation/Fresh Air Mode................... 189
Sensor .................................................... 194
Synchronized Mode ................................ 191
Using Automatic Climate Control............ 188 Air Conditioning System
(Heating and Cooling System) ............... 195
Cooling ................................................... 197
Defrosting the Windshield and Windows ............................................... 198
Heating ................................................... 196
Air Pressure ....................................... 546, 601
Airbags ........................................................ 42
Advanced Airbags ..................................... 48
After a Collision ......................................... 46
Airbag Care ............................................... 54
Front Airbags (SRS) .................................... 45
Indicator .............................................. 52, 77
Passenger Airbag Off Indicator .................. 53
Sensors ...................................................... 42
Side Airbags .............................................. 49
Side Curtain Airbags .................................. 51
All-wheel drive (AWD) Indicator ............... 83
AM/FM Radio .................................... 213, 249
Android Auto ............................................ 289
Anti-lock Brake System (ABS) .................. 490
Indicator .................................................... 77
Apple CarPlay ........................................... 286
Armrest ..................................................... 170
Audio Remote Controls ............................ 204
Audio System ............................................ 200
Adjusting the Sound ........................ 211, 242
Audio/Information Screen ................ 207, 225
Auxiliary Input Jack .................................. 202
Changing the Home Screen Icon Layout ................................................... 229 Closing Apps ........................................... 239
Display Setup .................................. 212, 243
Error Messages ........................................ 294
General Information ................................ 298
Home Screen........................................... 232
Limitations for Manual Operation ............ 244
MP3/WMA/AAC ...................... 218, 261, 273
Playing a CD............................................ 261
Reactivating ............................................ 203
Recommended CDs ................................. 299
Remote Controls ..................................... 204
Security Code .......................................... 203
Selecting an Audio Source ....................... 244
Status Area ............................................. 238
Theft Protection ...................................... 203
USB Flash Drives ...................................... 301
USB Port.................................................. 201
Wallpaper Setup.............................. 209, 230
Audio/Information Screen ............... 207, 225
Authorized Manuals ................................ 609
Auto Door Locking/Unlocking ................. 124
Customize ............................................... 340
Auto High-Beam ....................................... 151
Auto high-beam Indicator ......................... 81
Automatic Intermittent Wipers ............... 155
Automatic Lighting .................................. 147