Cold commutes, overnight road trips, lunch-break naps — there are so many situations in which the best heated blankets for your car come in handy. Since they’re portable and way less expensive than heated seats, you can upgrade just about any ride with cozy, body-encompassing warmth; but do yourself a favor and do some research first. Not all heated throw blankets are created equal, and not all of them are made for your car. Whenever you’re dealing with technology, the possibility of error is amplified — both on your end and on the part of the manufacturer. First thing’s first: Check to make sure that your car has a 12-volt accessory socket (also known as a “cigarette lighter”), as most portable heated blankets utilize these types of ports. If not, you can find options that use USBs or no power sources at all, though those are significantly harder to find. Next, it’s really important to read through the reviews and see what past buyers have to say. All electronics are prone to burn-outs, frayed wires, and even dangerous short-circuiting, but heated blankets are known for their mishaps. The best way to avoid the aforementioned? Check to see tha...