2015 Acura RLX engine

474Handling the Unexpected
Engine Does Not StartChecking the EngineIf the engine does not start, check the starter.
Starter condition
Checklist
Starter doesn’t turn or turns
over slowly.
The battery may be dead. Check
each of the items on the right and
respond accordingly.
Check for a message on the multi-information display.●If the To Start, Hold Remote Near Start Button message appears
2If the Keyless Access Remote Battery is Weak P. 475
uMake sure the keyless access remote is in its operating range.
2 ENGINE START/STOP Button Operating Range P. 133
Check the brightness of the interior lights.
Turn on the interior lights and check the brightness.●If the interior lights are dim or do not come on at all
2Battery P. 448
●If the interior lights come on normally
2 Fuses P. 487
The starter turns over normally
but the engine doesn’t start.
There may be a problem with the
fuse. Check each of the items on
the right and respond accordingly. Review the engine start procedure.
Follow its instructions, and try to start the engine again.
2
Starting the Engine P. 340
Check the immobilizer system indicator.
When the immobilizer system indicator is blinking, the engine cannot be started.
2Immobilizer System P. 128
Check the fuel level.
There should be enough fuel in the tank.
2 Fuel Gauge P. 94
Check the fuse.
Check all fuses, or have the vehicle checked by a dealer.
2Inspecting and Changing Fuses P. 491
If the problem continues:
2Emergency Towing P. 492
1Checking the Engine
If you must start the vehicle immediately, use an
assisting vehicle to jump start it.
2 Jump Starting P. 477

475
uuEngine Does Not Start uIf the Keyless Access Remote Battery is Weak
Handling the Unexpected
If the Keyless Access Remote Battery is WeakIf the beeper sounds, the To Start, Hold Remote Near Start Button message
appears on the multi-information display, the indicator on the ENGINE START/
STOP button flashes, and the eng ine won’t start. Start the engine as follows.
1.Touch the center of the ENGINE START/
STOP button with the A logo on the keyless
access remote while the indicator on the
ENGINE START/STOP button is flashing.
The buttons on the keyless access remote
should be facing you.
u The indicator flashes for about 30
seconds.
2. Depress the brake pedal and press the
ENGINE START/STOP button within 10
seconds after the beeper sounds while the
indicator stays on.
u If you don’t depress the pedal, the mode
will change to ACCESSORY.

476
uuEngine Does Not Start uEmergency Engine Stop
Handling the Unexpected
Emergency Engine StopThe ENGINE START/STOP button may be used to stop the engine due to an
emergency situation even while driving. If you mus t stop the engine, do either of the
following operations:
• Press and hold the ENGINE START/STOP button for about two seconds.
• Firmly press the ENGINE START/STOP button twice.
The steering wheel will not lock. However, because turning off the engine disables
the power assist the engine provides to the steering and braking systems, it will
require significantly more physical effort and time to steer and slow the vehicle. Use
both feet on the brake pedal to slow down the vehicle and stop immediately in a
safe place.
The power mode is in ACCESSORY when the engine is stopped.
To change the mode to VEHICLE OFF, move the shift lever to
(P
after the vehicle
comes to a complete stop.
1 Emergency Engine Stop
Do not press the button while driving unless it is
absolutely necessary for the engine to be switched
off.

477
Continued
Handling the Unexpected
Jump StartingTurn off the power to electric devices, such as audio and lights. Turn off the engine,
then open the hood. 1.Open the fuse box cover on the positive +
terminal.
2. Connect the first jumper 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.■
Jump Starting Procedure
1Jump Starting
Securely attach the jumper cable clips so that they do
not come off when the engine vibrates. Also be
careful not to tangle the jumper cables or allow the
cable ends to touch each other while attaching or
detaching the jumper cables.
Battery performance degrades in cold conditions and
may prevent the engine from starting.
3
WARNING
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

478
uuJump Starting u
Handling the Unexpected
5.Connect the other end of the second
jumper cable to the engine hanger as
shown. Do not connect this jumper cable to
any other part.
6. If your vehicle is connected to another
vehicle, start the assisting vehicle’s engine
and increase its rpm slightly.
7. Attempt to start your vehicle’s engine. If it
turns over slowly, check that the jumper
cables have good metal-to-metal contact.

479
uuJump Starting u
Handling the Unexpected
Once your vehicle’s engine has started, remove the jumper cables in the following
order.
1.Disconnect the jumper cable from your vehicle’s ground.
2. Disconnect the other end of the jumper cable from the booster battery -
terminal.
3. Disconnect the jumper cable from your vehicle’s battery + terminal.
4. Disconnect the other end of the jumper cable from the booster battery +
terminal.
Have your vehicle inspected by a nearby service station or a dealer.■
What to Do After the Engine Starts

481
Continued
Handling the Unexpected
OverheatingHow to Handle OverheatingOverheating symptoms are as follows:
•The temperature gauge needle is at the mark or the engine suddenly loses
power.
• Steam or spray comes out of the engine compartment.■First thing to do
1. Immediately park the vehicle in a safe place.
u Move the shift lever to
(P
and set the parking brake. Turn off all accessories
and turn on the hazard warning lights.
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 OverheatingNOTICEContinuing to drive with the temperature gauge
needle at the mark may damage the engine.
3
WARNING
Steam and spray from an overheated
engine can seriously scald you.
Do not open the ho od if steam is coming
out.
H
H

uuOverheating uHow to Handle Overheating
482Handling the Unexpected
■Next thing to do
1.Check that the cooling fan is operating and
stop the engine once the temperature
gauge needle 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 and 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 coolant 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 needle has gone down, resume driving. If it has not gone
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.
3
WARNING
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.
Reserve
Tank MAX
MIN