One of the biggest eye sores of SC is the halogen bulbs in the rear turn signals and brake lights.
They are underwhelming and lack sophistication. Since it's so new and most likely SC will be a low volume vehicle, I don't think Morimoto, Alpharex will design a badass complete rear lamp assembly like you see in Tacomas or 4Runners
like this
So, the next best thing to do is just swap out the bulbs
FYI: the correct bulb size is 1156 and you'll need 4 bulbs, 2 on each side
I've tried some cheap LEDs from amazon just for fitment and confirmed that they are indeed all 1156 and those cheap LEDs will cause hyperflash and canbus error.
I've also ordered these extreme plug and play red LEDs
www.vleds.com
they work, but there's no way to have all the adapters fit behind as this thread shows
so I then ordered a bunch of resistors and also these LEDs
www.vleds.com
these are marketed as back up light, and no built-in resistors
however, to my surprise, they must draw enough power and they don't trigger hyperflash and canbus error whatsover
So, NO resistors needed!
here is the OE bulb output
and this is the LED swapped
and this is in low ambient light environment
Installation is just pure bulb replacement nothing special
Hyundai's instruction is pretty clear in the attachment.
If you are not familiar with 1156 bulb socket, to unplug, you'll want to gently push in the bulb a little bit and then rotate it slightly counter-clock wise and then the bulb can be easily pulled out. Install is the reverse.
Also, halogen bulbs shouldn't be touched with bare hands, wear gloves so no oil is left on the bulb surface if you plan on using those halogen bulbs again.
They are underwhelming and lack sophistication. Since it's so new and most likely SC will be a low volume vehicle, I don't think Morimoto, Alpharex will design a badass complete rear lamp assembly like you see in Tacomas or 4Runners
like this
So, the next best thing to do is just swap out the bulbs
FYI: the correct bulb size is 1156 and you'll need 4 bulbs, 2 on each side
I've tried some cheap LEDs from amazon just for fitment and confirmed that they are indeed all 1156 and those cheap LEDs will cause hyperflash and canbus error.
I've also ordered these extreme plug and play red LEDs

V6 EXTREME RED 1156
Radial Lens Optical grade polycarbonate lens creates radial 360° pattern for maximum intensity in the housing Adjustable Added spacer ring allows for two-position adjustment High Quality Driver High output driver with the best components available Controller Integrated into the bulb for...
so I then ordered a bunch of resistors and also these LEDs

6 LED HIGH OUTPUT REVERSE LIGHT 1156
Adjustable Twist the bulb to match any lamp housing Plated Aluminum Machined heat sink with MCPCB for optimal thermal performance CC Driver Constant current driver ensures reliability even with voltage fluctuations (as opposed to resistors that fail) Factory Base Molded base that fits...
these are marketed as back up light, and no built-in resistors
however, to my surprise, they must draw enough power and they don't trigger hyperflash and canbus error whatsover
So, NO resistors needed!
here is the OE bulb output
and this is the LED swapped
and this is in low ambient light environment
Installation is just pure bulb replacement nothing special
Hyundai's instruction is pretty clear in the attachment.
If you are not familiar with 1156 bulb socket, to unplug, you'll want to gently push in the bulb a little bit and then rotate it slightly counter-clock wise and then the bulb can be easily pulled out. Install is the reverse.
Also, halogen bulbs shouldn't be touched with bare hands, wear gloves so no oil is left on the bulb surface if you plan on using those halogen bulbs again.
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