Updated at: 03-03-2022 - By: micdot

Most Honda models these days come equipped with a useful feature known as accessory mode. This feature, like others from other manufacturers, can use a lot of power. What’s next?

Is Honda’s accessory mode a battery killer? Cars with accessory mode use power without recharging the battery, as do all other vehicles. Consequently, the short answer is yes. In Hondas, the accessory mode does deplete the battery. As a result, it’s not recommended that you use this mode for long periods of time. The battery could die if you do this.

We’ll take a look at some Honda vehicles and the effect of accessory mode on them in this article. Then you’ll know how to limit the amount of time you spend in accessory mode.

Let’s get started, shall we?

What Is Accessory Mode in Honda?

Honda’s accessory mode is similar to that of other brands. There are a number of Honda vehicles that have a push-button start and an accessory mode switch. Similarly, Honda’s accessory mode works in the same way. It eliminates the requirement for running the engine in order to use your accessories.

It’s possible to utilize your car’s extras without turning the key. Car audio, GPS, and even air conditioning are included in the list of optional extras. Historically, these add-ons could only be used when the engine was running. As a result, you may now use these tools without having to turn on the engine. However, you should be aware that this feature uses a lot of battery power.

Is Accessory Mode Draining Battery in Your Honda?

Yes, that’s the quick response. The battery life of your Honda will be shortened if you leave it in accessory mode. There is no drain on the battery when the key is turned to the accessory position.However, it does allow you to take out a small amount of money to operate some of your other devices. The radio, the automatic windows, the inside lights, and others are examples of this type of technology

Some models, on the other hand, allow you to activate more powerful options like navigation and air conditioning. Due to the battery draining, the battery is drained. What matters is how long it takes until the battery dies.

Accessory Mode Draining Battery in Different Honda Models

Let’s take a look at some of Honda’s most popular models. You’ll be able to see how accessory mode affects each of them this way.

Does Accessory Mode Drain Battery in Honda CRV?

Yes, that’s the quick response. There is no need to worry about your Honda CRV’s accessory mode zapping your battery life if you own one.

Accessories can be used without starting the engine in Honda CRVs thanks to a feature called “accessory mode.”

The battery can’t be recharged when this feature is enabled, but the accessories can. As a result, the battery drains quickly.

Does Accessory Mode Drain Battery in Honda Odyssey?

Like other cars, Honda Odysseys include an accessory mode that drains the battery.

This model, on the other hand, enters a specialized mode comparable to that of a vehicle shutting down. This feature keeps the battery from being depleted. A battery management system is not present in all Honda vehicles.

When using this feature, you still need to be careful and conscious of your battery life.

Does Accessory Mode Drain Battery in Honda Civic?

If you drive a Honda Civic, accessory mode is already built in. This feature, however, decreases the battery life.

The lack of a battery management mechanism in all Honda models should also be noted. When using this feature, you still need to be careful and conscious of your battery.Does Accessory Mode Drain Battery in Honda Accord?

Yes, that’s the quick response. It’s possible to utilize your Honda Accord’s accessories without starting the car. Even so, it’s a battery hog.

The accessory mode is available on Honda Accords. All of the accessories can be used without running the engine, in general.

It does not allow the battery to be recharged, but it does allow the accessories to use power. As a result, the battery drains quickly.

How Long Does It Take For the Accessory Mode to Drain Battery in Honda?

There are several variables to consider before answering this question. But in general, accessory mode might drain your battery in 45-60 minutes.

The battery can be drained in a short period of time if you’re utilizing all of the car’s accessories at the same time.

To put it simply, your car won’t start with a dead battery. Consequently, you may need to recharge it in a different way.

You should not utilize this feature for an extended period of time in order to avoid such events. If you’re going to need the extras, you might as well crank up the engine.

You won’t have to worry about draining the battery when using the attachments this way.


When it comes to the accessory mode, Honda cars are a godsend. In order to make advantage of these features, it is necessary to keep the engine turned off. This feature has certain advantages, but it also has some drawbacks.

In this state, for example, the battery provides electricity but receives none. The battery is drained as a result of this feature. A prolonged usage of this method could lead to its depletion.

Honda owners should use this feature with caution as as usual. You could end up with a dead battery that won’t start your car if you don’t take precautions.