2021 HONDA RIDGELINE oil additives

499
uuMaintenance Under the Hood uRecommended Engine Oil
Maintenance
Recommended Engine Oil
Oil is a major contributor to your engine’s
performance and longevity. If you drive the
vehicle with insufficient or deteriorated oil,
the engine may fail or be damaged.
This seal indicates the oil is energy conserving
and that it meets the American Petroleum
Institute’s latest requirements.
Use Honda Genuine Motor Oil or another
commercial engine oil of suitable viscosity for
the ambient temperature as shown.
■Synthetic oil
You may also use synthetic motor oil if it is labeled with the API Certification Seal
and is the specified viscosity grade.
• Honda Genuine Motor Oil
• Premium-grade 0W-20 detergent oil wi th an API Certification Seal on the
container.1 Recommended Engine Oil
Engine Oil Additives
Your vehicle does not require oil additives. In fact,
they may adversely affect the engine performance
and durability.
Ambient Temperature

Index
587
Index
Index
A
ABS (Anti-lock Brake System).................. 470
AC Power Outlet ...................................... 191
Accessories and Modifications ................ 535
Accessory Power Sockets ......................... 182
Adaptive Cruise Control (ACC) ................ 438
Indicator ................................................... 91
Additives
Coolant .................................................. 504
Engine Oil ............................................... 499
Washer ................................................... 507
Adjusting Armrest .................................................. 174
Front Seats.............................................. 166
Head Restraints ............................... 171, 172
Mirrors.................................................... 164
Rear Seats ............................................... 169
Steering Wheel ....................................... 163
Temperature ........................................... 113
Agile Handling Assist ............................... 414
Air Conditioning System (Climate Control System) .................................................... 195
Changing the Mode................................ 195
Defrosting the Windshield and Windows .............................................. 196
Dust and Pollen Filter .............................. 528
Recirculation/Fresh Air Mode................... 196
Sensor .................................................... 201
Synchronized Mode ................................ 198
Using Automatic Climate Control............ 195
Air Pressure ...................................... 517, 575 Airbags
........................................................ 44
Advanced Airbags ..................................... 50
After a Collision ......................................... 47
Airbag Care ............................................... 58
Event Data Recorder .................................... 0
Front Airbags (SRS) .................................... 47
Indicator .............................................. 55, 82
Passenger Airbag Off Indicator .................. 56
Sensors ...................................................... 44
Side Airbags .............................................. 52
Side Curtain Airbags .................................. 54
All-wheel drive (AWD) Indicator ............... 88
AM/FM Radio ............................................ 236
Android Auto ............................................ 273
Anti-lock Brake System (ABS) .................. 470
Indicator .................................................... 82
Apple CarPlay ........................................... 269
Armrest ..................................................... 174
Audio Remote Controls ............................ 209
Audio System ............................................ 204
Adjusting the Sound ................................ 229
Audio/Information Screen ........................ 212
Auxiliary Input Jack .................................. 207
Changing the Home Screen Icon Layout ................................................... 216
Closing Apps ........................................... 226
Display Setup ........................................... 230
Error Messages ........................................ 278
General Information ................................ 281
Home Screen ........................................... 219
Limitations for Manua l Operation ............ 231 MP3/WMA/AAC ...................................... 256
Reactivating ............................................ 208
Remote Controls ..................................... 209
Security Code .......................................... 208
Selecting an Audio Source ....................... 231
Status Area ............................................. 225
Theft Protection ...................................... 208
Truck Bed Audio...................................... 277
USB Flash Drives .............................. 256, 282
USB Port.................................................. 205
Wallpaper Setup...................................... 217
Audio/Information Screen ....................... 212
Authorized Manuals ................................ 584
Auto Door Locking/Unlocking ................. 130
Customize ....................................... 314, 315
Auto High-Beam ....................................... 154
Indicator.................................................... 86
Auto Idle Stop .......................................... 406
OFF Button .............................................. 407
Auto Idle Stop Indicator (Green) ............... 89
Auto Idle Stop System Indicator (Amber) ..................................................... 89
Automatic Intermittent Wipers ............... 158
Automatic Lighting .................................. 150
Automatic Transmission ........................... 394
Creeping ................................................. 394
Fluid ................. .....................

.................. 506
Kickdown ................................................ 394
Operating the Shift Button ...................... 397
Shifting ................................................... 395
Auxiliary Input Jack .................................. 207