2021 HONDA RIDGELINE Owner's Manual (in English)

416
uuWhen Driving uTire Pressure Monitoring System (TPMS) with Tire Fill Assist
Driving
Tire Pressure Monitoring System (TPMS) with Tire
Fill Assist
Monitors the tire pressure while you are
driving. If your vehicle’s tire pressure becomes
significantly low, the Low Tire Pressure/TPMS
indicator comes on and a message appears on
the multi-information display.1 Tire Pressure Monitoring System (TPMS) with Tire Fill Assist
Conditions such as low ambient temperature and
altitude change directly affect tire pressure and can
trigger the Low Tire Pressure/TPMS indicator to come
on. 2 If the Low Tire Pressure/TPMS Indicator
Comes On or Blinks P. 560
Tire pressure checked and inflated in:
•Warm weather can beco me under-inflated in
colder weather.
•Cold weather can become over-inflated in warmer
weather.
The Low Tire Pressure/TPMS indicator will not come
on as a result of over inflation.
Only use genuine TPMS specified wheels since your
vehicle’s wheels are equipped with the low tire
pressure/TPMS sensor.
If you drive your vehicle without the genuine TPMS
specified wheels, the low ti re pressure/TPMS indicator
blinks for about one minute and then stays on. 2 Tire and Wheel Replacement P. 522
The TPMS audibly and visually informs you of
changes in tire pressure of the individual tire that you
are adjusting using audibl e and visual indications.
If a change in tire pressure has been significant, the
system beeps and the hazard lights flash continuously
for five seconds when the specified tire pressure is
reached. Stop filling the tire.
Low Tire Pressure/
TPMS indicator

417
uuWhen Driving uTire Pressure Monitoring System (TPMS) with Tire Fill Assist
Driving
To select the tire pressure monitor, set the power
mode to ON, and press the
(information) button until you see the tire
pressure screen.
The pressure for each tire is displayed in psi.
Tire Pressures Low is displayed when a tire
has significantly low pressure. The specific tire
is displayed on the screen.
■Tire Pressure Monitor1 Tire Pressure Monitor
The pressure displayed on the multi-information
display can be slightly different from the actual
pressure as measured by a gauge. If there is a
significant di fference between the two values, or if
the Low Tire Pressure/TPMS indicator and the
message on the multi-inform ation display do not go
off after you have inflated the tire to the specified
pressure, have the system checked by a dealer.
Tire Pressure Monitor Problem may appear if you
drive with the compact spare tire, or there is a
problem with the TPMS.

418
uuWhen Driving uTire Pressure Monitoring System (TPMS) - Required Federal Explanation
Driving
Tire Pressure Monitoring System (TPMS) - Required
Federal Explanation
Each tire, including the spare (i f 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 infl ation pressure label, you should
determine the proper tire inflat ion 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 tire s is significantly under-inflated.
Accordingly, when the low tire pr essure 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-in flated tire causes the tire to
overheat and can lead to tire failure. Under-inflat ion also reduces
fuel efficiency and tire tread li fe, and may affect the vehicle’s
handling and stopping ability.

419
uuWhen Driving uTire Pressure Monitoring System (TPMS) - Required Federal Explanation
Driving
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 un der-inflation has not reached the
level to trigger illumination of th e TPMS low tire pressure telltale.
Your vehicle has also been equi pped 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 syst em detects a malfunction, the
telltale will flash fo r approximately one minute and then remain
continuously illumina ted. 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.

420
uuWhen Driving uBlind spot information System*
Driving
Blind spot information System*
Is designed to detect vehicles in specified alert zones adjacent to your vehicle,
particularly in harder to see areas commonly known as “blind spots.”
When the system detects vehi cles approaching from behind in adjacent lanes, the
appropriate indicator comes on for a few se conds, providing assistance when you
change lanes.
■How the system works
1 Blind spot information System*
Important Safety Reminder
Like all assistance systems, blind spot information
system has limitations. Over reliance on blind spot
information system may result in a collision.
The system is for your convenience only. Even if an
object is within the alert zone, the following
situations may occur.
•The blind spot informatio n system alert indicator
may not come on due to obstruction (splashes,
etc.) even without the Blind Spot Info Not
Available multi-information display appearing.
•The blind spot informatio n system alert indicator
may come on even with the message appearing.
3WARNING
Failure to visually confirm that it is safe to
change lanes before doing so may result in
a crash and serious injury or death.
Do not rely only on the blind spot
information system wh en changing lanes.
Always look in your mi rrors, to either side
of your vehicle, and behind you for other
vehicles before changing lanes.
Alert zone range
A: Approx. 1.6 ft. (0.5 m)
B: Approx. 10 ft. (3 m)
C: Approx. 10 ft. (3 m) Radar Sensors:
underneath the
rear bumper
corners
Alert ZoneA
B
C
●The transmission is in (D.●Your vehicle speed is
between 20 mph (32 km/h)
and 100 mph (160 km/h)
* Not available on all models

Continued421
uuWhen Driving uBlind spot information System*
Driving
■When the system detects a vehicle
Blind spot information System Alert Indicator:
Located near the pillar on both sides.
Comes on when:
•A vehicle enters the alert zone from behind
to overtake you with a speed difference of
no more than 31 mph (50 km/h) from your
vehicle.
• You pass a vehicle with a speed difference
of no more than 12 mph (20 km/h).
Blinks and the beeper sounds when:
You move the turn signal lever in the direction
of the detected vehicle. The beeper sounds
three times.1 Blind spot information System*
The blind spot information system alert indicator may
not come on under the following conditions:
•A vehicle does not stay in the alert zone for more
than two seconds.
•A vehicle is parked in a side lane.•The speed difference betw een your vehicle and the
vehicle you are passing is greater than 6 mph (10
km/h).
•An object not detected by the radar sensors
approaches or passes your vehicle.
•A vehicle running in the adjacent lane is a
motorcycle or other small vehicle.
You can change the setting for the blind spot
information system. 2 Customized Features P. 298
Turn the system off when towing a trailer.
The system may not work properly for the following
reasons:
•The added mass tilts the vehicle and changes the
radar coverage.
•The trailer itself can be detected by the radar
sensors, causing the blind spot information system
alert indicators to come on.
Comes On
Blinks
* Not available on all models

uuWhen Driving uBlind spot information System*
422
Driving
1Blind spot information System*
Blind spot information sy stem may be adversely
affected when:
•Objects (guard rails, poles, trees, etc,.) are
detected.
•An object that does not re flect radio waves well,
such as a motorcycle, is in the alert zone.
•Driving on a curved road.•A vehicle is moving from a far lane to the adjacent
lane.
•The system picks up external electrical interference.•The rear bumper or the sens ors have been improperly
repaired or the rear bu mper has been deformed.
•The orientation of the sensors has been changed.•In bad weather (Heavy rain, snow, and fog).
For a proper blind spot in formation system operation:
•Always keep the rear bumper corner area clean.
•Do not cover the rear bumper corner area with
labels or stickers of any kind.
•Take your vehicle to a deal er if you need the rear
bumper corner area or the radar sensors to be repaired,
or the rear bumper corner area is strongly impacted.
* Not available on all models

423Continued
Driving
Honda Sensing®
Honda Sensing® is a driver support system which employs the use of two distinctly
different kinds of sensors: a radar sensor located behind the emblem and a front
sensor camera mounted to the interior side of the windshield, behind the rearview
mirror.
Honda Sensing ® has following functions.
■The functions which do not requir e switch operations to activate
• Collision Mitigation Braking SystemTM (CMBS)TM 2 P. 426
• Road Departure Mitigation System 2 P. 460
■The functions wh ich require switch operations to activate
• Adaptive Cruise Control (ACC)
2 P. 438
• Lane Keeping Assist System (LKAS) 2 P. 451