Cadillac Optiq electric crossover. Dealers to reseal a body seam to prevent water intrusion behind the taillamp.

For years, Kia EV6 owners have complained about the Meridian sound system in their cars, which they found to be lacking in punch. It turns out the issue was the incorrectly wired subwoofer, which ...

Some cars benefit from third-party speakers and other upgrades, but these premium vehicles will rival top-tier hi-fi setups straight from the dealer.