Owners Nissan Juke sooner or later they are faced with the need to replace the battery in the key. When the key fob stops responding to pressing the first time, the signal weakens or disappears altogether - this is a sure sign of a low battery. But what kind of battery is needed for the key? Juke? The answer depends on the year of manufacture of the car and the type of key fob: standard key with buttons or smart key Smart Key.
In this article we will look at all the nuances: from the exact type of battery (with photos and comparison) to step-by-step instructions for replacement. You will also learn how to avoid common mistakes that can damage the key, and where to buy high-quality batteries. And for those who prefer visual instructions, we have prepared a video guide and a battery compatibility table for different years Nissan Juke.
Nissan Juke key battery type: CR2032 or CR2026?
In most keys Nissan Juke (2010–2023) uses battery type CR2032 with a voltage of 3 V. However, in some modifications, especially in models with Smart Key (proximity key), can stand CR2026. The difference between them is in thickness and capacity:
- 🔋 CR2032 — thickness 3.2 mm, capacity ~220 mAh. Fits most keys Juke first and second generation.
- 🔋 CR2026 — thickness 2.5 mm, capacity ~160 mAh. Found in compact key fobs or keys with additional functions (for example, backlight).
- ⚠️ CR2016 - doesn't fit! Despite the similar diameter (20 mm), its thickness of 1.6 mm is insufficient for contact in the key.
How can you accurately determine which battery is in your key? The most reliable way is to disassemble the key fob and look at the markings on the old battery. But if you don't want to take any risks, use our compatibility chart below.
- Standard key fob with buttons
- Smart Key (contactless)
- Illuminated key
- I don't know
Battery compatibility table for Nissan Juke by year
| Year of manufacture | Key type | Recommended battery | Alternative options |
|---|---|---|---|
| 2010–2014 | Standard key fob (2 buttons) | CR2032 | DL2032, E-CR2032 |
| 2015–2019 | Standard key fob (3 buttons) | CR2032 | BR2032 (budget analogue) |
| 2020–2023 | Smart Key (contactless) | CR2026 | DL2026, E-CR2026 |
| 2021–2023 (restyling) | Illuminated key | CR2032 | — |
Important: 2020+ Nissan Juke keys with Keyless Go A CR2026 battery is used, but it can be replaced with a CR2032 if you use a thin spacer (for example, a piece of electrical tape) to make a tight contact. However, this is a temporary solution - it is better to use the original battery.
How to disassemble a Nissan Juke key: step-by-step instructions
Replacing the battery in the key Juke takes no more than 5 minutes, but requires care. You will need:
- 🔧 Flathead screwdriver (or plastic pick)
- 🔋 New battery (CR2032 or CR2026)
- 🧲 Magnet (to fix the spring if it falls out)
Instructions:
- Press the key body unlock button (usually located on the side or back).
- Insert a screwdriver into the groove and carefully separate the two halves of the housing. Don't use force - plastic is fragile!
- Remove the old battery, noting its polarity (usually the “+” faces up).
- Install the new battery, making sure it fits snugly against the contacts.
- Assemble the housing by pressing it until it clicks.
Button activation at a distance of 5+ meters
Alarm operation (if linked to a key)
No play in the key fob body
LED indicator (if equipped)-->
Warning: If the key does not work after replacing, check:
⚠️ Attention: In 10% of cases, the problem is not with the battery, but with a dead key fob chip. Try "resetting" the key by pressing all buttons simultaneously for 10 seconds. If this does not help, reprogramming is required at the dealer.
Where to buy a battery for a Nissan Juke key: overview of options
Batteries CR2032 And CR2026 They are sold in any electronics store, but not all of them are of equal quality. Here are the best options in terms of price/quality ratio:
- 🏆 Duracell CR2032 — a reliable choice with a long service life (up to 5 years). Cost: ~200 rub.
- 💰 Maxell CR2026 — the optimal budget option (~100 rubles). Suitable for Smart Key.
- 🔋 Panasonic CR2032 — Japanese quality, low self-discharge. Price: ~150 rub.
- ⚠️ No-Name (Chinese) — cheap (~50 rubles), but they often leak and damage the key contacts.
Where to buy:
- 🛒 Svyaznoy, M.Video - wide range, you can check the production date.
- 🌍 Wildberries, Ozon — it’s convenient to order with delivery, but there is a risk of running into a fake.
- 🚗 Auto stores (AutoSpetsCenter, IXORA) - sometimes they sell specialized batteries for car keys.
Before purchasing, check the manufacturing date on the packaging! Batteries older than 2 years lose up to 20% of their capacity even in the original packaging.
Common mistakes when replacing batteries and how to avoid them
Even something as simple as replacing a battery can turn into problems if you make one of these mistakes:
- Wrong polarity. If you confuse “+” and “–”, the key will not work. In 90% of cases, the “plus” should be on top (towards the buttons).
- Using an expired battery. Even a new battery can be “stitched”. Check the date on the packaging.
- Dirt getting on the contacts. Dust or grease from your fingers will impair contact. Wipe the board with alcohol before installing a new battery.
- Force when assembling the body. If you squeeze the plastic too hard, the buttons may stick. Assemble the housing by gently pressing until it clicks.
What should I do if the key does not work after replacement?
- 🔄 Reboot the key: remove the battery, wait 30 seconds and install it back.
- 🔧 Check the contacts: sometimes they oxidize. Clean them with an eraser or rubbing alcohol.
- 🚗 If all else fails, the key could have “come loose” from the car. Reprogramming is required (can be done yourself or at the dealer).
How to reprogram a Nissan Juke key without a dealer?
1. Get into the car and close all doors.
2. Insert the key into the ignition and turn it to the “ON” position (do not start the engine).
3. Within 5 seconds, press the lock button on the key 6 times.
4. Turn off the ignition and remove the key. The alarm should beep - this means that the key has been reprogrammed.
Attention: The method does not work on all Juke models!How long does the battery last in a Nissan Juke key?
Battery life depends on several factors:
- 🔋 Battery type: CR2032 lasts longer (3-5 years), CR2026 - 2-3 years.
- 📡 Frequency of use: If you open the car 10+ times a day, the battery will drain faster.
- 🌡️ Storage conditions: Extreme temperatures (below -20°C or above +50°C) will reduce service life.
- 🔌 Contact quality: Oxidized or dirty contacts increase power consumption.
Signs that the battery is running low:
- 🔴 The key only works at close range (less than 1 meter).
- 🔴 You have to press the button several times.
- 🔴 The LED on the key blinks weakly or does not light up.
- 🔴A message appears on the dashboard
Key battery low(on models with display).
If the key stops working suddenly (without a gradual deterioration of the signal), the problem is more likely with the chip, rather than with the battery. In this case, only flashing or replacing the key fob will help.
Video instruction: replacing the battery in the Nissan Juke key
For clarity, we have prepared a selection of videos with a step-by-step analysis of the keys Nissan Juke different years:
- 🎥 Replacing CR2032 in 2010-2014 Juke key. (standard keychain)
- 🎥 Smart Key Juke 2020+ (CR2026) with detailed analysis of the case
- 🎥 What to do if the key cannot be disassembled? (alternative ways)
If you have a key with a non-standard case (for example, with backlight or additional buttons), look for a video specifically for your modification. Pay attention to the comments under the videos - the nuances of specific models are often discussed there.
FAQ: Frequently asked questions about the battery in the Nissan Juke key
Can a CR2016 battery be used instead of a CR2032?
No, CR2016 is thinner (1.6 mm versus 3.2 mm) and will not provide reliable contact. At best, the key will work unstably, at worst, the contacts will become deformed, and the entire key fob will have to be replaced.
How to check if the battery is dead or the key is broken?
Bring the key close to the car (5–10 cm). If it works, the problem is in the battery. If not, the chip or antenna in the key may be faulty. Also try the second key (if available).
Do I need to reprogram the key after replacing the battery?
In 99% of cases - no. Reprogramming is required only if the key has become untied from the car (for example, after the battery has been completely discharged for a long time). Usually just inserting a new battery is enough.
Where in Moscow/St. Petersburg can you quickly replace the battery in your key?
In most auto repair shops or key centers (for example, KeyMaster, Auto key). Cost of service: 200–500 rub. (excluding battery). You can also contact the official service Nissan, but the price will be higher there.
What should I do if, after replacing the battery, the key only works in manual mode?
This is a sign that the key has become detached from the immobilizer. Try the synchronization procedure:
- Close all doors.
- Insert the key into the ignition and turn to the "ON" position.
- Press the lock button on the key 1 time.
- Turn off the ignition and remove the key. Repeat 3-5 times.
If it doesn't help, contact an auto electrician.