2021 HONDA ACCORD SEDAN coolant temperature

111
uuIndicators uDriver Information Interface Wa rning and Information Messages
Continued
Instrument Panel
MessageConditionExplanation
•Appears if there is a problem with the shutter grille,
and the radiator coolant temperature is too high.
•Power output will be reduced , so you may not be able
to accelerate or maintain yo ur current speed. Have your
vehicle checked by a dealer.
●Appears when the washer fluid is low.
●Refill the washer fluid.
2 Refilling Window Washer Fluid P. 565
●Appears when the scheduled maintenance is due
soon.
●Consequently, Maintenance Due Now and
Maintenance Past Due follow.2Maintenance Minder Messages on the Driver
Information Interface P. 545
●Appears when there is a problem with the battery
charging system.●Have your vehicle checked by a dealer.
Models with shutter grille
Canadian models

112
uuIndicators uDriver Information Interface Wa rning and Information Messages
Instrument Panel
MessageConditionExplanation
●Appears when the engine coolant temperature gets
abnormally high.
2 Overheating P. 613
●Appears if the automatic brake hold is automatically
canceled while it is in operation.●Immediately depress the brake pedal.
●Appears when the automa tic brake hold system is
turned off.
2 Automatic Brake Hold P. 515
●Appears when the automa tic brake hold button is
pressed without wearing the driver’s seat belt.●Fasten the driver’s seat belt.
2 Automatic Brake Hold P. 515

123
uuIndicators uDriver Information Interface Wa rning and Information Messages
Continued
Instrument Panel
MessageConditionExplanation
●Appears when Auto Idle Stop does not activate for
some reason.
●Appears when the engine restarts automatically.●Appears when the battery temperature is around
41°F (5°C) or lower.
2 Auto Idle Stop Activates When: P. 439
●Appears when Auto Idle Stop does not activate
because the climate control system is in use, and the
difference between the set temperature and actual
interior temperature becomes significant.
●Appears when Auto Idle Stop does not activate
because the engine coolant temperature is too low
or high.
●Appears when Auto Idle Stop does not activate
because the battery charge level is low.
●Appears when the battery is low performance.
Continuously variable transmission models

139
Instrument Panel
Gauges and Displays
Gauges
Gauges include the speedometer, fuel gauge, and other related indicators. They are
displayed when the power mode is in ON.
Displays your driving speed in mph (U.S.) or km/h (Canada).
Displays the amount of fuel left in the fuel tank.
Displays the temperature of the engine coolant.
■Speedometer
■Fuel Gauge
■Temperature Gauge
1Speedometer
You can show another speed unit on the driver
information interface and set the displayed
measurements to read in either mph and km/h.
2 Tachometer P. 151
1Fuel Gauge
NOTICE
You should refuel when the reading approaches .
Running out of fuel can cause the engine to misfire,
damaging the cata lytic converter.
The actual amount of remain ing fuel may differ from
the fuel gauge reading.E
1 Temperature Gauge
NOTICE
Driving with the temperat ure gauge pointer in the
upper zone can cause serious engine damage. Pull
safely to the side of th e road and allow engine
temperature to return to normal.
2 Overheating P. 613

uuWhen Driving uStarting the Engine
418
Driving
1Remote Engine Start*
The engine may stop whil e it is running if:•You do not start the vehicl e within 10 minutes of
starting the engine with the remote.
•The engine is stopped by using the remote.•The security system alarm is activated.•The door is unlocked with the built-in key.•The hood is open.•The engine coolant temper ature is extremely high.•The battery is low.•The engine oil pressure is low.•The malfunction indicator la mp comes on if there is
a problem with the emissions control systems.
•You press the ENGINE START/STOP button
without depressing the brake pedal.
•The transmission is in a position other than ( P.
•You press the shift lever release button.
While the engine is running, the vehicle will
automatically preconditi on inside the vehicle.
When it is warm outside:
•The climate control system is activated in auto
mode.
When it is cold outside:
•The defroster is activated at a moderately warm
temperature.
•The rear defogger and door mirror heaters are
activated.
•The seat heaters* and heated steering wheel* are
activated. 2 Heated Steering Wheel
* P. 236
2 Front Seat Heaters* P. 237
2 Front Seat Heaters and Seat Ventilation*
P. 238
Automatic transmission models
Continuously variable transmission models
* Not available on all models

Continued439
uuWhen Driving uAuto Idle Stop*
Driving
The vehicle stops with the shift position in (D and the brake pedal depressed.
When you shift into
(P quickly with depressing the brake pedal, the Auto Idle Stop
continues to operate, even if the brake pedal is released. u If you move the shift lever slowly, the engine may automatically restarts.
■Auto Idle Stop does not activate when:
• The Auto Idle Stop OFF button is pressed.
• The driver’s seat belt is not fastened.
• The engine coolant temperature is low or high.
• The engine is started with the hood open.
u Turn off the engine. Close the hood before you restart the engine to activate
Auto Idle Stop.
• The battery charge is low.
• The internal temperature of the battery is 41°F (5°C) or less.
• The transmission fluid temperature is low or high.
• The transmission is in a position other than
(D.
• The vehicle comes to a stop again before the vehicle speed reaches 3 mph (5 km/h)
after the engine starts.
• Stopped on a steep incline.
• is on (indicator on).
• The climate control system is in use, and the temperature is set to Hi or Lo .
• The climate control system is in use, and the outside temperature is below -4°F
(-20°C) or over 104°F (40°C).
■Auto Idle Stop Activates When:1 Auto Idle Stop Activates When:
Do not open the hood while the Auto Idle Stop
function is activated.
If the hood is opened, the engine will not restart
automatically.
In this case, restart the engine with the ENGINE
START/STOP button.
2 Starting the Engine P. 414
When ACC with Low Speed Follow is in operation,
the vehicle stops without de pressing the brake pedal
and Auto Idle Stop may activate.
In such cases, the engine may restart if you change
the shift position other than
( D.
Pressing the ENGINE START/STOP button causes
the engine to no longer restar ts automatically. Follow
the standard procedure to start the engine.
2 Starting the Engine P. 414

547
uuMaintenance MinderTMuTo Use Maintenance MinderTM
Continued
Maintenance
■Maintenance Service Items1Maintenance Service Items
•Adjust the valves during services A, B, 1, 2, or 3 if
they are noisy.
Maintenance Minder Message
System Message
Indicator
Sub Items
Main Item
U.S. models
*1: If a Maintenance Minder message does not appear more than 12 months after the display is reset,
change the engine oil every year.
# : See information on maintenance and emissions warranty in the first column on page 643.
*2: If you drive in dusty conditions, replace the air cleaner element every 15,000 miles (24,000 km).
*3: If you drive primarily in urban areas that have high concentrations of soot in the air from industry and from diesel-powered vehicles, replace the dust and pollen filter every 15,000 miles (24,000 km).
CODEMaintenance Main Items
A
●Replace engine oil*1
B●Replace engine oil*1 and oil filter●Inspect front and rear brakes●Inspect tie rod ends, steering gearbox, and boots●Inspect suspension components●Inspect driveshaft boots●Inspect brake hoses and li nes (Including ABS/VSA®)●Inspect all fluid levels and condition of fluids●Inspect exhaust system#
●Inspect fuel lines and connections#
*4:
Driving in mountainous areas at very low vehicle speeds results in higher transmission temperatures.
This requires transmission fluid changes more frequently than recommended by the Maintenance
Minder. If you regularly drive your vehicle under these conditions, have the transmission fluid changed
every 25,000 miles (40,000 km).
*5: If a Maintenance Minder message does not appear more than 36 months after the display for item 7 is reset, change the brake fluid every 3 years.
CODEMaintenance Sub Items
1
●Rotate tires
2●Replace air cleaner element*2
●Replace dust and pollen filter*3
●Inspect drive belt
3
●Replace transmission fluid*4
4●Replace spark plugs●Inspect valve clearance
5
●Replace engine coolant
7●Replace brake fluid*5
Continuously variable transmission models

548
uuMaintenance MinderTMuTo Use Maintenance MinderTM
Maintenance
1Maintenance Service Items
•Adjust the valves during services A, 0, 9, 1, 2, or 3
if they are noisy.
Canadian models
*1: If a Maintenance Minder Message does not appear more than 12 months after the display is reset,
change the engine oil every year.
*2: If you drive in dusty conditions, replace the air cleaner element every 15,000 miles (24,000 km).
*3: If you drive primarily in urban areas that have high concentrations of soot in the air from industry and from diesel-powered vehicles, replace the dust and pollen filter every 15,000 miles (24,000 km).
*4: Driving in mountainous areas at very low vehicle speeds results in higher transmission temperatures.
This requires transmission fluid changes more frequently than recommended by the Maintenance
Minder. If you regularly drive your vehicle under these conditions, have the transmission fluid changed
every 25,000 miles (40,000 km).
*5: If a Maintenance Minder Message does not appear more than 36 months after the display for item 7 is reset, change the brake fluid every 3 years.
# : See information on maintenance and emissions warranty in the first column on page 643.
CODEMaintenance Main Items
A
●Replace engine oil*1
0●Replace engine oil*1 and oil filter
Continuously variable transmission models
CODEMaintenance Sub Items
1
●Rotate tires
2●Replace air cleaner element*2
●Replace dust and pollen filter*3
●Inspect drive belt
3
●Replace transmission fluid*4
4●Replace spark plugs●Inspect valve clearance
5
●Replace engine coolant
7●Replace brake fluid*5
9●Service front and rear brakes●Inspect tie rod ends, steering gearbox, and boots●Inspect suspension components●Inspect driveshaft boots●Inspect brake hoses and li nes (including ABS/VSA®)●Inspect all fluid levels and condition of fluids●Inspect exhaust system #
●Inspect fuel lines and connections #