2021 HONDA ACCORD SEDAN warning

595
Maintenance
Accessories and Modifications
Accessories
When installing accessories, check the following:
• Do not install accessories on the windsh ield. They can obstruct your view and
delay your reaction to driving conditions.
• Do not install any accessories over areas marked SRS AIRBAG, on the sides or
backs of the front seats, on front or si de pillars, or near the side windows.
Accessories installed in these areas may interfere with proper operation of the
vehicle’s airbags or may be propelled into you or another occupant if the airbags
deploy.
• Be sure electronic accessories do not overload electrical circuits or interfere with
proper operation of your vehicle.
2 Fuses P. 622
•Before installing any electro nic accessory, have the installer contact a dealer for
assistance. If possible, have a deal er inspect the final installation.
1Accessories and Modifications
Honda Genuine accessor ies are recommended to
ensure proper operati on on your vehicle.
3WARNING
Improper accessories or modifications can
affect your vehicle’s handling, stability, and
performance, and cause a crash in which
you can be seriously hurt or killed.
Follow all instruction s in this owner’s
manual regarding accessories and
modifications.

597
Handling the Unexpected
This chapter explains how to handle unexpected troubles.
ToolsTypes of Tools .................................. 598
If a Tire Goes Flat
Changing a Flat Tire ......................... 599
Engine Does Not Start Checking the Engine ........................ 605
If the Remote Battery is Weak .......... 606
Emergency Engine Stop ................... 607
If the Battery Is Dead ....................... 608
Shift Lever Does Not Move .............. 611
Overheating How to Handle Overheating ............. 613 Indicator, Coming On/Blinking
If the Low Oil Pressure Warning Appears ... 615If the Charging System Indicator Comes
On ................................................. 615
If the Malfunction Indicator Lamp Comes On or Blinks ................................... 616
If the Brake System Indicator (Red) Comes
On or Blinks ................................... 617
If the Brake System Indicator (Red) Comes On
or Blinks at the Same Time When the Brake
System Indicator (Amber) Comes On.... 618
If the Electric Power Steering (EPS) System Indicator Comes On ....................... 619 If the Low Tire Pressure/TPMS Indicator
Comes On or Blinks ....................... 620
If the Transmission System Indicator Blinks along with the Warning Message... 621
Fuses Fuse Locations ................................. 622
Inspecting and Changing Fuses ........ 627
Emergency Towing ........................... 628
If You Cannot Unlock the Fuel Fill Door....629
If You Cannot Open the Trunk ........... 630
Refueling ........................................... 632

599Continued
Handling the Unexpected
If a Tire Goes Flat
Changing a Flat Tire
If a tire goes flat while driving, grasp the steering wheel firmly, and brake gradually
to reduce speed. Then, stop in a safe plac e. Replace the flat tire with a compact
spare tire. Go to a dealer as soon as possib le to have the full-size tire repaired or
replaced.
1. Park the vehicle on a firm, level, and n on-slippery surface, and apply the parking
brake.
2. Put the transmission into
(P.
3. Turn on the hazard warning lights an d set the power mode to VEHICLE OFF.
1Changing a Flat Tire
Follow these compact spare precautions:
Periodically check the tire pressure of the compact
spare. It should be set to the specified pressure.
Specified Pressure: 60 psi (420 kPa, 4.2 kgf/cm
2)
When driving with the compact spare tire, keep the
vehicle speed under 50 mph (80 km/h). Replace with
a full-size tire as soon as possible.
The compact spare tire and wheel in your vehicle are
specifically for this model. Do not use them with
another vehicle. Do not us e another type of compact
spare tire or wheel with your vehicle.
Do not mount tire chains on a compact spare tire.
If a chain-mounted front tire goes flat, remove one of
the full-size rear tires and replace it with the compact
spare tire. Remove the flat front tire and replace it
with the full-size tire that was removed from the rear.
Mount the tire chains on the front tire.
NOTICE
Do not use the jack if it doesn’t work properly.
Call your dealer or a pr ofessional towing service.
Do not mount the compact spare on the front.
If either front tire goes flat, remove the rear tire on
the same side, and mount the compact spare on the
rear and the rear tire on the front.

uuIf a Tire Goes Flat uChanging a Flat Tire
602
Handling the Unexpected
1. Place the jack under the jacking point
closest to the tire to be changed.
2. Turn the end bracket clockwise (as shown
in the image) until the top of the jack
contacts the jacking point.
u Make sure that the jacking point tab is
resting in the jack notch.
3. Raise the vehicle, using the jack handle bar
and the jack handle, until the tire is off the
ground.
■How to Set Up the Jack1How to Set Up the Jack
Do not use the jack with people or luggage in the
vehicle.
Use the jack provided in your vehicle.
Other jacks may not support the weight (“load”) or
may not fit the jacking point.
The following instructions must be followed to use
the jack safely:
•Do not use while the engine is running.
•Use only where the ground is firm and level.
•Use only at the jacking points.•Do not get in the vehicl e while using the jack.
•Do not put anything on top of or underneath the
jack.
3WARNING
The vehicle can easily roll off the jack,
seriously injuring anyone underneath.
Follow the directions for changing a tire
exactly, and never get under the vehicle
when it is supported only by the jack.
Jacking Points
Jacking Point
Jack
Handle
Bar Wheel Nut
Wrench as Jack Handle

uuIf a Tire Goes Flat uChanging a Flat Tire
604
Handling the Unexpected
1. Remove the center cap.
2. Place the flat tire face down in the spare tire
well.
3. Remove the spacer cone from the wing
bolt, flip it over, and insert it back on the
bolt. Secure the flat tire with the wing bolt.
4. Securely put the jack and wheel nut wrench
back in the tool case. Store the case in the
trunk.
If you replace a flat tire with the spare tire, the low tire pressure/TPMS indicator
comes on while you are driving. Afte r driving for a few miles (kilometers), Tire
Pressure Monitor System Problem. Ch eck Tire Pressure. See Your Dealer. will
appear on the driver information interface and the indicator will start blinking for a
short time and then stay on; however, this is normal and is no cause for concern.
Calibrate the TPMS when you replace the tire with a specified regular tire.
2TPMS Calibration P. 448
■Storing the Flat Tire1Storing the Flat Tire
3WARNING
Loose items can fly around the interior in a
crash and can seriously injure the
occupants.
Store the wheel, jack, and tools securely
before driving.
Center Cap
Spacer Cone
Wing Bolt
For
compact
spare tire For
full-size
tire
■TPMS and the Compact Spare Tire

608
Handling the Unexpected
If the Battery Is Dead
Jump Starting Procedure
Turn off the power to electric devices, such as audio and lights. Turn off the engine,
then open the hood. 1.Open the cover on the positive + terminal.
2. Connect the first jump er cable to your
vehicle’s battery + terminal.
3. Connect the other end of the first jumper
cable to the booster battery + terminal.
u Use a 12-volt booster battery only.
u When using an automotive battery
charger to boost your 12-volt battery,
select a lower charging voltage than
15-volt. Check the charger manual for
the proper setting.
4. Connect the second jumper cable to the
booster battery - terminal.1If the Battery Is Dead
Securely attach the jumper cables clips so that they
do not come off when the e ngine vibrates. Also be
careful not to tangle the ju mper cables or allow the
cable ends to touch each other while attaching or
detaching the jumper cables.
3WARNING
A battery can explode if you do not follow
the correct procedure, seriously injuring
anyone nearby.
Keep all sparks, open flames, and smoking
materials away from the battery.
Booster Battery
1.5 L engine models
2.0 L engine models
Booster Battery

613Continued
Handling the Unexpected
Overheating
How to Handle Overheating
Overheating symptoms are as follows:
•The temperature gauge pointer is at th e mark or the engine suddenly loses
power.
• The Engine Temperature Too Hot. Do Not Drive. Allow Engine To Cool.
message appears on the dr iver information interface.
• Steam or spray comes out of the engine compartment.
■First thing to do
1. Immediately park the vehicle in a safe place.
2. Turn off all accessories and turn on the hazard warning lights.
u No steam or spray present: Keep the engine running and open the hood.
u Steam or spray is present: Turn off the engine and wait until it subsides.
Then open the hood.
1 How to Handle Overheating
NOTICE
Continuing to drive with the temperature gauge
pointer at the mark may damage the engine.
Continuing to drive with the Engine Temperature
Too Hot. Do Not Drive. Allow Engine To Cool.
message on the driver information interface may
damage the engine.
3WARNING
Steam and spray from an overheated
engine can seri ously scald you.
Do not open the hood if steam is coming
out.
H
H

uuOverheating uHow to Handle Overheating
614
Handling the Unexpected
■Next thing to do
1.Check that the cooling fan is operating and
stop the engine once the temperature
gauge pointer 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, add coolant until it reaches the
MAX mark.
u If 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, restart it and check the temperature gauge.
If the temperature gauge pointer has come do wn, resume driving. If it has not come
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.
MAX
Reserve Tank
MIN