Repairing the alternator of a GMC Yukon 2015/2020 Repairing the alternator of a Sonata 2016 Replacing the spark plugs of a Sonata 2016 Repairing the alternator of an Elantra 2015 Replacing the spark plugs of an Elantra 2015 Replacing the spark plugs of an Elantra 2017