From inside (document excerpt):
OWNER’S MANUAL ELANTRA Operation Maintenance Specifications All information in this Owner’s Manual is current at the time of publication. However, Hyundai reserves the right to make changes at any time so that our policy of continual product improvement may be carried out. This manual applies to all Hyundai models and includes descriptions and explanations of optional as well as standard equipment. As a result, you may find material in this manual that does not apply to your specific vehicle. F1 CAUTION: MODIFICATIONS TO YOUR HYUNDAI Your Hyundai should not be modified in any way.
User and Operator’s Vehicle Manual Guide. Free Auto PDF Manual Download. Years covered by this manual: 2010.
Such modifications may adversely affect the performance, safety or durability of your Hyundai and may, in addition, violate conditions of the limited warranties covering the vehicle. Certain modifications may also be in violation of regulations established by the U.S. Department of Transportation and other federal or state agencies. TWO-WAY RADIO OR CELLULAR TELEPHONE INSTALLATION Your vehicle is equipped with electronic fuel injection, a Tire Pressure Monitoring System, and other electronic components. It is possible for an improperly installed/adjusted two-way radio or cellular telephone to adversely affect electronic systems. For this reason, we recommend that you carefully follow the radio manufacturer’s instructions or consult your Hyundai dealer for precautionary measures or special instructions if you choose to install one of these devices. F2 SAFETY AND VEHICLE DAMAGE WARNING This manual includes information titled as WARNING, CAUTION and NOTICE. These titles indicate the following: WARNING This indicates that a condition may result in harm, serious injury or death to you or other persons if the warning is not heeded. Follow the advice provided with the warning. CAUTION This indicates that a condition may result in damage to your vehicle or its equipment if the caution is not heeded. Follow the advice provided with the caution. NOTICE This indicates that interesting or helpful information is being provided.
Wikipedia’s page for Hyundai
Publisher: www.hyundaiusa.com