2023 HONDA CRV ECU

450
uuTowing a Trailer uDriving Safely with a Trailer
Driving
Driving Safely with a Trailer
• Have the trailer properly serviced and keep it in good condition.
• Make sure that all the weights and load in the vehicle and trailer are within limits.
2Towing Load Limits P. 447
•Securely attach the hitch, safety chains, and other necessary parts to the trailer.
• Securely store all the items in and on the tr ailer so that they do not shift while
driving.
• Check if the lights and brakes on the trailer are working properly.
• Check the pressure of the traile r tires, including the spare.
• Turn off the rear parking sensor system.
2 Parking sensor system on and off P. 585
•Turn off the Low Speed Braking Control syst em. It may activate if it detects the
towed object as an obstacle.
2 System On and Off P. 510
•Drive slower than normal.
• Obey posted speed limits for vehicles with trailers.
• Use the
(D position when towing a trailer on level roads.
■Things You Need To Know Before Towing a Trailer
■Towing Speeds and Shift Position
1Driving Safely with a Trailer
Operating speed when towing a trailer must not
exceed 62 mph (100 km/h).
Parking
In addition to the normal precautions, place wheel
chocks at each of the trailer's tires.
When towing a trailer, we recommend that you carry
a full-size spare wheel and tire for both your vehicle
and trailer.
Remember to unhitch the tra iler before changing a
flat tire. Ask the trailer sales or rental agency where
and how to store the trailer’s spare tire.
Models with parking sensor system
1 Towing Speeds and Shift Position
When towing a fixed-sided trailer (e.g., camper), do
not exceed 55 mph (88 km/h). At higher speeds, the
trailer may sway or af fect vehicle handling.

uuWhen Driving uTurning on the Power
458
Driving
If the power system is not turned on, exterior
lights will not flash.
u Go within the rang e, and try again.
The power system is on for up to 10 minutes without you starting the vehicle.
To extend the time for another 10 minute s during the first 10 minutes, press the
button, then press and hold the button.
u Some exterior lights flash six times if a 10-minute extension request was
transmitted successfully.1Remote Engine Start
The power system may not be turned on by the
remote engine start if:
•You have disabled a remo te engine start setting.
2 Settings* P. 135
2 Customized Features P. 376
•The power mode is not in VEHICLE OFF.•The transmission is in a position other than (P.
•The hood is open, or any door or the tailgate is
unlocked.
•You have already used the remote twice to turn the
power system on.
•Another registered keyless remote is in the vehicle.•There is any antenna failure.
•The door is unlocked with the built-in key.
•The engine oil pressure is low.•The engine coolant temper ature is extremely high.
•The telematics unit* malfunctions.
•The security system alarm is not set.•The 12-volt battery charge is too low.
* Not available on all models

Continued459
uuWhen Driving uTurning on the Power
Driving
■To turn the power system off
Press and hold the button for one
second.
If the power system is turned off successfully,
the exterior lights flash once.
When the remote is out of the keyless access
system range, the exteri or lights will not flash.
The power system will not be turned off. u Go within the range, and try again.1Remote Engine Start
The power system may be turned off while it is on if:
•You do not start the vehicl e within 10 minutes of
turning the power system on with the keyless
remote.
•The power system is turned off by using the keyless
remote.
•The security system alarm is not set.•The door is unlocked with the built-in key.
•The hood is open, or any door, or the tailgate is
unlocked.
•You press the shift lever release button.
•The engine coolant temper ature is extremely high.
•The 12-volt 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.
While the power system is on, the vehicle will
automatically preconditi on inside the vehicle.
When it is warm outside:
•The climate control system is activated in
recirculation mode.
When it is cold outside:
•The defroster is activated at a moderately warm
temperature.
•The rear defogger, heated door mirrors, seat
heaters and heated steering wheel* are activated.
2 Rear Defogger/Heated Door Mirror
Button P. 199
2 Heated Steering Wheel
* P. 229
2 Front Seat Heaters P. 230
* Not available on all models

572
Driving
Braking
Brake System
Use the parking brake to keep the vehicle stationary when parked. When the
parking brake is applied, you can ma nually or automatically release it.
■To apply
The electric parking brake can be applied any
time the vehicle has 12-volt battery, no matter
which position the power mode is in.
Pull the electric parking brake switch up gently
and securely. u The indicator in the switch comes on.
u The parking brake and brake system
indicator (red) comes on.
■To release
The power mode must be in ON in order to
release the electric parking brake.
1. Depress the brake pedal.
2. Press the electric parking brake switch.
u The indicator in the switch goes off.
u The parking brake and brake system
indicator (red) goes off.
Manually releasing the parking brake using
the switch helps your ve hicle start slowly and
smoothly when facing downhill on steep hills.
■Parking Brake1 Brake System
When you depress the brak e pedal, you may hear a
whirring sound from the engine compartment. This is
because the brake system is in operation, and it is
normal.
1 Parking Brake
You may hear the electric parking brake system
motor operating from the re ar wheel area when you
apply or release the parking brake. This is normal.
The brake pedal may slightly move due to the electric
parking brake system opera tion when you apply or
release the parking br ake. This is normal.
You cannot apply or release the parking brake if the
12-volt battery goes dead.
2 If the 12-Volt Battery Is Dead P. 671
If you pull up and hold the electric parking brake
switch while driving, the brakes on all four wheels
are applied by the electric servo brake system until
the vehicle comes to a stop. The electric parking
brake then applies, and the switch should be
released.
Electric Parking Brake Switch
Electric Parking Brake Switch

612
uuMaintenance Under the Hood uOpening the Hood
Maintenance
Opening the Hood
1. Park the vehicle on a level surface, and set
the parking brake.
2. Pull the hood release handle under the
driver’s side lower corner of the dashboard.
u The hood will pop up slightly.
3. Push the hood latch lever (located under
the front edge of the hood to the center) to
the side and raise the hood. Once you have
raised the hood slightly, you can release the
lever.
4. Lift the hood up most of the way.
u The hydraulic supports will lift it up the
rest of the way and hold it up.
When closing, lower it to approximately
12 inches (30 cm), then press down firmly with
your hands.1 Opening the Hood
NOTICE
Do not open the hood when the wiper arms are
raised. The hood will strike the wipers, resulting in
possible damage to the hood and/or the wipers.
NOTICE
Do not press the engine cover forcibly. This may
damage the engine cover and component parts.
When closing the hood, check that the hood is
securely latched.
If the hood latch lever moves stiffly, or if you can
open the hood without lifti ng the lever, the latch
mechanism should be cl eaned and lubricated.
Pull
Hood Release Handle
Lever

615
uuMaintenance Under the Hood uAdding Engine Oil
Maintenance
Adding Engine Oil
1. Unscrew and remove the engine oil fill cap.
2. Add oil slowly.
3. Reinstall the engine oil fill cap, and tighten
it securely.
4. Wait for three minutes and recheck the
engine oil dipstick.1Adding Engine Oil
NOTICE
Do not fill the engine oil above the upper mark.
Overfilling the engine oil may result in leaks and
engine damage.
If any oil spills, wipe it away immediately. Spilled oil
may damage the engine compartment components.
Use a neutral detergent to remove it if it spills on the
engine cover. Do not use organic solvents such as
brake cleaner.
Engine Oil
Fill Cap

617
uuMaintenance Under the Hood uChanging the Engine Oil and Oil Filter
Maintenance
5. Remove the oil filter and dispose of the
remaining oil.
6. Check that the filter gasket is not stuck to
the engine contact surface.
u If it is stuck, you must detach it.
7. Wipe away dirt and dust adhering to the
contact surface of the engine block, and
install a new oil filter.
u Apply a light coat of new engine oil to
the filter gasket.
8. Put a new washer on the drain bolt, then
reinstall the drain bolt.
u Tightening torque:
30 lbf∙ft (40 N∙m, 4.0 kgf∙m)
9. Pour the recommended engine oil into the
engine.
u Engine oil change capacity (including filter):
4.2 US qt (4.0 L)
10. Reinstall the engine oil fill cap securely and
start the engine.
11. Run the engine for a few minutes, and
then check that there is no leak from the
drain bolt or oil filter.
12. Stop the engine, wait for three minutes,
and then check the oil level on the
dipstick.
u If necessary, add more engine oil.
13. Reinstall the under cover in the same order
it was removed.1Changing the Engine Oil and Oil Filter
You will need a special wrench to replace the oil
filter. You can buy this wrench from a dealer.
When installing the new oil filter, follow the
instructions supplied with the oil filter.
Reinstall the engine oil fill cap. Start the engine. If the
Engine oil pressure low warning appears, turn off
the engine, and check your work.
Oil Filter

645
uuCleaning uInterior Care
Maintenance
The driver's floor mat hooks over floor
anchors, which keep the mat from sliding
forward.
Do not put any additi onal floor mats on
top of the anchored mat.
To properly clean leather:
1. Use a vacuum or soft dry cloth first to remove any dirt or dust.
2. Clean the leather with a soft cloth dampen ed with a solution comprised of 90%
water and 10% neutral soap.
3. Wipe away any soap residu e with a clean damp cloth.
4. Wipe away residual water and allo w leather to air dry in the shade.
■Floor Mats1Floor Mats
If you use any floor mats that were not originally
provided with your vehicle, make sure they are
designed for your specific ve hicle, fit correctly, and
are securely anchored by the floor anchors.
Position any rear seat floor mats properly. If not
properly positioned, the floor mats can interfere with
the front seat functions.
Lock
Unlock
Example
■Maintaining Genuine Leather1
Maintaining Genuine Leather
It is important to clean or wipe away dirt or dust as
soon as possible. Spills can soak into leather, resulting
in stains. Dirt or dust ca n cause abrasions in the
leather. In addition, pl ease note that some dark
colored clothing can rub onto the leather seats,
resulting in discol oration or stains.