
For a ix35 (or Tucson as it's known in the UAE market) key fob, replacing the battery is a straightforward DIY task that typically costs under 20 AED. The most common battery type is the CR2032 3V coin cell, which is widely available. While the process is simple, it's wise to source the battery from reputable retailers like ACE Hardware, Carrefour, or authorized auto parts stores to avoid cheap counterfeits that fail quickly in our summer heat. A 2021 advisory from the MOI UAE on vehicle maintenance recommends using quality components for critical systems, which includes keyless entry. For a car that's driven daily on Sheikh Zayed Road or in Dubai-Sharjah traffic, a weak fob battery can be a real nuisance. The cost is minimal: a branded Duracell or Energizer CR2032 costs about 15 AED. If you're uncomfortable doing it yourself, any reputable garage in Deira or Al Quoz will do it for a nominal service charge, far less than a dealership visit. The key is to ensure the battery's positive (+) side faces up when inserted, and to reassemble the fob carefully to maintain its dust and moisture resistance – important for desert driving conditions.

My 2015 Tucson's key fob just died last week. Bought a Panasonic CR2032 from the auto section at Lulu for 12 AED. Used a small coin to twist open the slot on the side of the fob - didn't even need the physical key. Took two minutes in the mall parking lot. Works perfectly now. Always keep a spare in the glovebox, especially with our heat.

My 2015 Tucson's key fob just died last week. Bought a Panasonic CR2032 from the auto section at Lulu for 12 AED. Used a small coin to twist open the slot on the side of the fob - didn't even need the physical key. Took two minutes in the mall parking lot. Works perfectly now. Always keep a spare in the glovebox, especially with our heat.

As a mechanic in Sharjah, I see this often. For GCC-spec models like the ix35/Tucson, it's almost always a CR2032. The UAE heat drains these batteries faster. I tell customers: if you have to press the button right next to the car door for it to work, the battery is going. Don't buy the cheapest pack from a random phone accessory shop. Spend the extra 5 AED on a known brand from an electronics store. It lasts longer.

Pro tip: Before you pry the fob open, lay a soft cloth on a table. Those tiny circuit board components can easily get lost in the carpet or fall into the sand if you're doing this outdoors. I learned this the hard way after replacing the for my Patrol and dropping a tiny spring.

If your ix35 is a later GCC model year, double-check. Some newer smart keys use a different, smaller battery like a CR2025. The process is the same, but buying the wrong size is frustrating. The quickest way is to open the old one and take the battery to the shop with you. The staff at Dragon Mart electronics shops can usually identify it on sight.










