2011 Acura RL Owner's Manual - Page 186

Keyless Access System Keyless Remote Low Battery Check Keyless Access System KEYLESS ACCESS SYSTEM INDICATOR The keyless access system indicator comes on and stays on while you are driving. The indicator comes on and stays on with the ignition switch in the ON (II) position. The multi-information display shows ''CHECK KEYLESS ACCESS SYSTEM.'' In this case, use the built-in key to lock/unlock the doors and start the engine. The batteries in the remote normally last about 2 years. To ensure maximum battery life, do not store the remote close to electrical devices such as computers or TVs. When the multi-information display shows ''KEYLESS REMOTE LOW BATTERY,'' replace the batteries as soon as possible (see page 175 ). The indicator comes on for several seconds when you turn the ignition switch to the ON (II) position. Have your vehicle checked by your dealer if: 180