12.3v isn’t great for battery voltage. Should be more like 12.6v or higher.
Any MkIV-based car seats can be swapped in. I love the GLi Recaros I installed. But you can also easily swap the bottom cushions with upholstery left to right if the passenger one is better, as it usually is.
Any MkIV-based car seats can be swapped in. I love the GLi Recaros I installed. But you can also easily swap the bottom cushions with upholstery left to right if the passenger one is better, as it usually is.