2021 HONDA RIDGELINE check engine light

553
uuIf the Battery Is Dead u
Continued
Handling the Unexpected
5.Connect the other end of the second
jumper cable to the engine hanger as
shown. Do not connect this jumper cable to
any other part.
6. If your vehicle is connected to another
vehicle, start the assisting vehicle’s engine
and increase its rpm slightly.
7. Attempt to start your ve hicle’s engine. If it
turns over slowly, check that the jumper
cables have good metal-to-metal contact.

557
Handling the Unexpected
Indicator, Coming On/Blinking
If the Low Oil Pressure Indicator Comes On
■Reasons for the indicator to come on
Comes on when the engine oil pressure is low.
■What to do as soon as the indicator comes on
1. Immediately park the vehicle on level ground in a safe place.
2. If necessary, turn the hazard warning lights on.
■What to do after parking the vehicle
1. Stop the engine and let it sit for approximately three minutes.
2. Open the hood and check the oil level.
2 Oil Check P. 500
3.Start the engine and check th e low oil pressure indicator.
u The indicator goes off: Start driving again.
u The indicator does not go off within 10 seconds: Immediately stop
the engine and contact a dealer for repairs.
If the Charging System Indicator Comes On
■Reasons for the indicator to come on
Comes on when there is a prob lem with the charging system.
■What to do when the indicator comes on
Turn off the climate control system, rear defogger, and other electrical
systems, and immediately co ntact a dealer for repairs.
1If the Low Oil Pressure Indicator Comes On
NOTICE
Running the engine with low oil pressure can cause
serious mechanical damage almost immediately.
1If the Charging System Indicator Comes On
If you need to stop temporarily, do not turn off the
engine. Restarting the engi ne may rapidly discharge
the battery.

559
uuIndicator, Comin g On/BlinkinguIf the Brake System Indicator (Red) Comes On
Handling the Unexpected
If the Brake System Indicator (Red) Comes On
■Reasons for the indicator to come on
• The brake fluid is low.
• There is a malfunction in the brake system.
■What to do when the indicator comes on while driving
Depress the brake pedal lightly to check pedal pressure.
• If normal, check the brake fluid level the next time you stop.
• If abnormal, take immediate acti on. If necessary, downshift the
transmission to slow the vehicle using engine braking.
If the Electric Power Steeri ng (EPS) System Indicator
Comes On
■Reasons for the indicator to come on
Comes on when there is a pr oblem with the EPS system.
■What to do when the indicator comes on
Stop the vehicle in a safe place and restart the engine.
If the indicator comes on and stays on, immediately have your vehicle
inspected by a dealer.
1 If the Brake System Indicator (Red) Comes On
Have your vehicle re paired immediately.
It is dangerous to drive with low brake fluid. If there
is no resistance from the brake pedal, stop
immediately in a safe plac e. If necessary downshift
the gears.
If the brake system indicator (red) and ABS indicator
come on simultaneously , the electronic brake
distribution system is not wo rking. This can result in
vehicle instability under sudden braking.
Have your vehicle inspecte d by a dealer immediately.
If both red and amber brake system indicators come
on, stop the vehicle in a safe place and have it
inspected by a dealer immediately.U.S.
Canada

561
uuIndicator, Coming On/Blinking uIf the Transmission System Indicator Blinks along with the Warning Message
Handling the Unexpected
If the Transmission System Indicator Blinks along
with the Warning Message
■Reasons for the indicator to blink
The transmission is malfunctioning.
■What to do when the indicator blinks
• Immediately have your vehicle inspected by
a dealer.
• Put the transmission into
(N after starting
the engine.
u Check if the
(N position in the
instrument panel and the indicator on
the
(N button light/blink.
2 Starting the Engine P. 385
1If the Transmission System In dicator Blinks along with the
Warning Message
You may not be able to start the engine.
Make sure to set the pa rking brake when parking
your vehicle.
Call a professional towing service if you need to tow
your vehicle. 2 Emergency Towing P. 568

567
uuFuses uInspecting and Changing Fuses
Handling the Unexpected
Inspecting and Changing Fuses
1. Set the power mode to VEHICLE OFF. Turn
headlights and all accessories off.
2. Remove the fuse box cover.
3. Check the large fuses in the engine
compartment.
u If the fuse is blown, use a phillips-head
screwdriver to remove the screw and
replace it with a new one.
4. Inspect the small fu ses in the engine
compartment and the vehicle interior.
u If there is a blown fuse, remove it with
the fuse puller and replace it with a new
one.1Inspecting and Changing Fuses
NOTICE
Replacing a fuse with on e that has a higher rating
greatly increases the chances of damaging the
electrical system.
Use the charts to locate the fuse in question and
confirm the specified amperage on the fuse label. 2 Fuse Locations P. 562
Replace fuse with a spare fuse of the same specified
amperage.
There is a fuse puller on the back of the type A engine
compartment fuse box cover.
Combined
Fuse Blown Fuse
Fuse Puller

588
Index
Average Fuel Economy............................. 113
B
Battery....................................................... 525
Charging System Indicator ................. 79, 557
If the Battery Is Dead ............................... 552
Maintenance (Checking the Battery) ........ 525
Bed Lights .................................................. 193
Indicator .................................................... 95
Belts (Seat) .................................................. 37
Beverage Holders ...................................... 179
Blind spot information System ................ 420
Indicator .................................................... 92
Bluetooth ® Audio ..................................... 259
Bluetooth ® HandsFreeLink ®................... 329
Booster Seats (For Children) ....................... 73
Brake System ............................................. 468
Anti-lock Brake System (ABS) ................... 470
Brake Assist System ................................. 471
Brake System Indicator............................... 78
Fluid ........................................................ 507
Foot Brake ............................................... 469
Indicator ............................................ 78, 559
Parking Brake .......................................... 468
Brake System Indicator (Amber) ................ 78
Brake System Indicator (Red) ............. 78, 559
Brightness Control (Instrument Panel) .... 160
Bulb Replacement ..................................... 508
Brake/Taillight and Rear Side Marker
Light ...................................................... 512 Daytime Running Light
and Parking
Light...................................................... 510
Front Side Marker Light ........................... 510
Front Turn Signal/Parking Light ................ 511
Headlights ............................................... 508
High-Mount Brake Light .......................... 513
Rear License Plate Light ........................... 513
Rear Turn Signal and Back-Up Light ......... 512
Side Turn Signal/Emergency Indicator Light...................................................... 511
Bulb Specifications ................................... 574
C
Car Wash Mode........................................ 399
Carbon Monoxide Gas ............................... 74
Cargo Hooks ............................................. 194
Carrying Cargo ......................... 365, 367, 370
Certification Label .................................... 576
Changing Bulbs ........................................ 508
Charging System Indicator ................. 79, 557
Child Safety ................................................. 59
Childproof Door Locks............................. 129
Emergency Trunk Opener ........................ 135
Child Seat .................................................... 59
Booster Seats ............................................ 73
Child Seat for Infants................................. 61
Child Seat for Small Children ..................... 62
Installing a Child Seat with a Lap/Shoulder Seat Belt ......................................................... 67 Installing a LATCH-Compatible Child
Seat ........................................................ 64
Larger Children ......................................... 72
Rear-facing Child Seat............................... 61
Selecting a Child Seat ............................... 63
Using a Tether .......................................... 69
Childproof Door Locks ............................. 129
Cleaning the Exterior ............................... 531
Cleaning the Interior ............................... 529
Climate Control System ........................... 195
Changing the Mode................................ 195
Defrosting the Windshield and Windows .............................................. 196
Dust and Pollen Filter .............................. 528
Recirculation and Fresh Air Mode ............ 196
Sensors ................................................... 201
Synchronized Mode ................................ 198
Using Automatic Climate Control............ 195
Clock ......................................................... 116
Coat Hook ................................................ 180
Collision Mitigation Braking System
TM
(CMBSTM) ................................................. 426
Indicator ............................................. 93, 94
Compact Spare Tire .......................... 539, 575
Console Compartment ............................. 178
Controls .................................................... 115
Conversation Mirror ................................ 181
Coolant (Engine) ...................................... 504
Adding to the Radiator ........................... 505
Adding to the Reserve Tank .................... 504
Overheating ............................................ 555

589
Index
Creeping (Automatic Transmission)........ 394
Cross Traffic Monitor ............................... 477
Cup Holders .............................................. 179
Customer Service Information ................ 585
Customized Features ............................... 298
D
Daytime Running Lights .......................... 153
Dead Battery ............................................ 552
Defaulting All the Settings ...................... 322
Defogger/Heated Door Mirror ................ 159
Defrosting the Windshield and
Windows ................................................. 196
Devices that Emit Radio Waves ............... 577
Dimming
Headlights .............................................. 149
Rearview Mirror ...................................... 164
Dipstick (Engine Oil) ................................ 500
Directional Signals (Turn Signal) ............. 148
Display Button .......................................... 212
Door Mirrors ............................................. 165
Doors ........................................................ 117
Auto Door Locking.................................. 130
Auto Door Unlocking .............................. 130
Door Open Message ........................... 36, 96
Key ......................................................... 117
Locking/Unlocking the Doors from the Inside................................ 16, 127
Locking/Unlocking the Doors
from the Outside................................... 120 Lockout Prevention System ...................... 126
DOT Tire Quality Grading ........................ 519
Driving ....................................................... 363
Adaptive Cruise Control (ACC) ................ 438
Automatic Transmission ........................... 394
Braking .................................................... 468
Off-Highway Driving Guidelines ............... 383
Shifting ................................................... 395
Starting the Engine .................................. 385
Driving Guidelines for Your Utility Vehicle ..................................................... 392
Driving Position Memory System ............. 161
Dust and Pollen Filter ............................... 528
E
Eco Assist® System ...................................... 12
ECON Button ............................................. 403
ECON Mode Indicator ................................ 92
Electric Power Steering (EPS) System Indicator ............................................ 85, 559
Electronic Stability Control (ESC) ............. 412
Emergency ................................................ 568
Emergency Trunk Opener ........................ 135
Emissions Testing (Readiness Codes) ....... 579
Engine Coolant ................................................... 504
If the Battery Is Dead ............................... 552
Oil ........................................................... 499
Remote Engine Start ................................ 387
Starting ................................................... 385 Engine Compartment Cover
.................... 498
Engine Coolant ......................................... 504
Adding to the Radiator ............................ 505
Adding to the Reserve Tank..................... 504
Overheating ............................................ 555
Temperature Gauge ................................ 110
Engine Oil ................................................. 499
Adding .................................................... 501
Checking................................................. 500
Displaying Oil Life .................................... 491
Low Oil Pressure Indicator ................. 79, 557
Recommended Engine Oil ....................... 499
ENGINE START/STOP Button .................... 145
EPS (Electric Power Steering) System
Indicator............................................ 85, 559
Exhaust Gas Hazard (Carbon Monoxide) .................................. 74
Exterior Care (Cleaning) ........................... 531
Exterior Mirrors ........................................ 165
F
Features.................................................... 203
Filters
Dust and Pollen ....................................... 528
Oil ........................................................... 502
Flat Tire ..................................................... 539
Floor Mats ................................................. 530
Fluids Automatic Transmission .......................... 506
Brake ...................................................... 507

592
Index
Turn Signals ............................................. 148
Load Limits ................................................ 367
Locking/Unlocking .................................... 117
Auto Door Locking/Unlocking .................. 130
Childproof Door Locks ............................. 129
From Inside .............................................. 127
From Outside ........................................... 120
Key .......................................................... 117
Using a Key ............................................. 126
Lockout Prevention System ...................... 126
Low Battery Charge .................................. 557
Low Fuel Indicator ...................................... 82
Low Oil Pressure Indicator ................. 79, 557
Low Tire Pressure Indicator ........................ 85
Lower Anchors ............................................ 64
Lubricant Specifications Chart ................. 575
Luggage (Maximum Load Limit) .............. 367
Lumbar Support ........................................ 166
M
M (sequential mode) Indicator/Sequential
Mode Gear Selection Indicator ................ 80
Maintenance ............................................. 487
Battery..................................................... 525
Brake Fluid............................................... 507
Cleaning .................................................. 529
Climate Control System ........................... 528
Coolant ................................................... 504
Maintenance Minder
TM............................ 491
Oil ........................................................... 500 Precautions ............................................. 488
Radiator .................................................. 505
Remote Transmitter ................................. 527
Replacing Light Bulbs .............................. 508
Safety...................................................... 489
Service Items ........................................... 494
Tires ........................................................ 516
Transmission Fluid ................................... 506
Under the Hood ...................................... 496
Wiper Blades ........................................... 514
Malfunction Indicator Lamp .............. 79, 558
Map Lights ................................................ 176
Maximum Load Limit ............................... 367
Meters, Gauges ......................................... 110
Mirrors ...................................................... 164
Adjusting ................................................ 164
Door ....................................................... 165
Exterior ................................................... 165
Interior Rearview ..................................... 164
Modifications (and Accessories) .............. 535
Moonroof ................................................. 143
MP3 ........................................................... 256
MP3/WMA/AAC ........................................ 256
Multi-Information Display ....................... 111
Multi-View Rear Camera .......................... 481
N
Numbers (Identification).......................... 576
O
Odometer................................................. 112
Off-Highway Driving Guidelines ............. 383
Oil (Engine) .............................................. 499
Adding ................................................... 501
Checking ................................................ 500
Displaying Oil Life ................................... 491
Low Oil Pressure Indicator ................. 79, 557
Recommended Engine Oil ....................... 499
Viscosity.................................................. 499
Open Source Licenses .............................. 297
Opening/Closing Hood ...................................................... 497
Moonroof ............................................... 143
Power Windows...................................... 139
Tailgate................................................... 132
Trunk ...................................................... 133
Outside Temperature Display ................. 113
Overheating ............................................. 555
P
Paddle Shifters (Sequential Mode) ... 22, 402
Pandora® ................................................. 254
Panic Mode ............................................... 138
Parking ..................................................... 472
Parking Brake ........................................... 468
Parking Brake and Brake System Indicator ........................................... 78, 559
Parking Sensor System ............................. 473
Passenger Airbag Off Indicator ................. 56