Nissan Armada battery drains with lights staying on after ignition off on Nissan Armada

Some Nissan Armada owners report experiencing battery drain issues, particularly with lights remaining on after the ignition is turned off. This problem is often attributed to parasitic draws, where electrical systems continue to consume power even when the vehicle is not running. Common symptoms of this issue include slow engine cranking, failure to start, dim or flickering dashboard lights, and clicking noises during ignition attempts. Potential causes identified by owners include faulty door switches that control dome lights, stuck trunk or tailgate release switches, continuously on headlight switches, aftermarket accessories like alarm systems, damaged wiring harnesses, and faulty relays. Additionally, a malfunctioning brake light switch may keep the brake lights illuminated, contributing to battery drain. To diagnose the issue, some owners recommend using a volt meter to measure battery drain while pulling fuses to identify the source. They also suggest checking for any lights that may remain on, such as those in the glove box or under the hood, and ensuring brake lights are functioning correctly. If the problem persists, consulting a mechanic experienced with foreign vehicles is advised to pinpoint the root cause.