Using this Subietrays magnetic phone charger is a breeze. First, find a suitable 20 - watt per - port USB - C adapter (the 12 - Volt adapter is not included). Connect the charging pad to the adapter and place it in the front cubby of your 2015 - 2021 WRX with manual transmission. When you're in the car, simply place your iPhone 12 or newer, or Android with a MagSafe compatible case, on the charging pad. The charger will automatically adjust the power output to the maximum your phone can handle. A crucial thing to remember is that your phone case must be MagSafe compatible. If it's not, the phone might not stay in place due to insufficient magnetism. For maintenance, keep the charging pad clean. You can use a soft, dry cloth to wipe it gently. Avoid exposing it to water or extreme temperatures, as this could damage the charger.