Two problems related to battery have been reported for the 2007 Acura MDX. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Acura MDX based on all problems reported for the 2007 MDX.
Open tailgate creates electrical drain that kills the battery in a few hours with no lights turned on or any other obvious signs of battery drainage indication. The issue seems to apply only to vehicles equipped with power tailgate. Multiple complaints found on the internet reported by other vehicle owners. This is a major safety issue since people may not be able to start engine on their their vehicle just after having tailgate open for a relatively short time. Acura customer relations department was contacted over the phone but refused to admit the fact of electrical design or a component issue and suggested me to have the vehicle diagnostic done at my own expense in the nearest dealership.
The contact owns a 2007 Acura Mdx. The contact went on a trip and returned to find that the gps, exterior lighting, radio, and other electrical components failed. Only the interior lighting was functioning properly. The contact called roadside assistance and they discovered that the battery was drained. The VIN was unknown. The failure and current mileages were 13,000.