One problem related to battery has been reported for the 2006 Acura RL. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Acura RL based on all problems reported for the 2006 RL.
In 2008 I bought a 2006 Acura Rl that after 8 months caught fire while is parked overnight, the fire inspector deemed electrical due to faulty electric in door channel overhead. I subsequently bought another of the same Acura Rl 2006 as of 6 weeks ago the air conditioning system was faulty and by the Acura dealer deemed electrical. Now the same car when I started last week had all the electrical warning lights come on , Acura told me ut was a low battery so once I replaced the battery immediately now I receive a cooling system warning and the temp gauge goes up and down.