Acura RL 2003 Owner's Manual
![Acura RL 2003 Sedan manual cover](/images/YCUFBKgRWhHolLwcKIldLJKv/thumbs/thumb175x175.webp)
The 2003 Acura RL is recommended to use SAE 5W-30 engine oil for optimal performance and efficiency.
The timing belt should be replaced every 105,000 miles or 7 years, whichever comes first, to prevent engine damage.
The recommended tire pressure for the 2003 Acura RL is 32 psi for both the front and rear tires.
First, check the fuses and relays related to the A/C system. Then, verify the refrigerant level and inspect for leaks. Finally, consider checking the compressor and cabin air filter.
If the 'Check Engine' light turns on, check for any obvious issues such as a loose gas cap. If the light remains on, use an OBD-II scanner to retrieve error codes and consult a professional mechanic if needed.
To reset the maintenance required light, turn the ignition switch to the 'ON' position while holding down the trip meter reset button until the light resets.
Signs of a failing transmission include slipping gears, delayed shifting, unusual noises, and transmission fluid leaks.
To improve fuel efficiency, ensure regular maintenance, keep tires properly inflated, use recommended engine oil, and avoid aggressive driving.
To jump-start the Acura RL, attach the positive cable to the positive terminal of the dead battery and the donor battery. Then, connect the negative cable to the donor battery's negative terminal and attach the other end to a grounded metal part of the dead vehicle. Start the donor vehicle and then the RL.
To replace the cabin air filter, open the glove compartment, disconnect the dampener arm, and press the sides inward to release the box. Remove the filter cover and replace the old filter with a new one, ensuring proper orientation.