2011 Nissan Altima Owner's Manual - Page 334

When the VDC switch is used to turn off the system, the VDC system still operates to prevent one drive wheel from slipping by transferring power to a non slipping drive wheel. The indicator flashes if this occurs. All other VDC indicator will not functions are off and the flash. The VDC system is automatically reset to on when the ignition switch is placed in the off position then back to the on position. The computer has a built in diagnostic feature that tests the system each time you start the engine and move the vehicle forward or in reverse at a slow speed. When the self-test occurs, you may hear a clunk noise and/or feel a pulsation in the brake pedal. This is normal and is not an indication of a malfunction. ● Do not modify the vehicle's suspension. If suspension parts such as shock absorbers, struts, springs, stabilizer bars, bushings and wheels are not NISSAN recommended for your vehicle or are extremely deteriorated, the VDC system may not operate properly. This could adversely affect vehicle handling perindicator may formance, and the and indiflash or both the cator lights may illuminate. ● If brake related parts such as brake pads, rotors and calipers are not NISSAN recommended or are extremely deteriorated, the VDC system may not operate properly and both the and the indicator lights may illuminate. ● If engine control related parts are not NISSAN recommended or are extremely and deteriorated, both the indicator lights may illuminate. ● When driving on extremely inclined surfaces such as higher banked corners, the VDC system may not operate propindicator may flash or erly and the and indicator both the lights may illuminate. Do not drive on these types of roads. ● When driving on an unstable surface such as a turntable, ferry, elevator or indicator may flash or ramp, the and indicator both the lights may illuminate. This is not a malfunction. Restart the engine after driving onto a stable surface. ● If wheels or tires other than the NISSAN recommended ones are used, the VDC system may not operate properly and indicator may flash or both the and indicator lights may the illuminate. ● The VDC system is not a substitute for winter tires or tire chains on a snow covered road. WARNING ● The VDC system is designed to help the driver maintain stability but does not prevent accidents due to abrupt steering operation at high speeds or by careless or dangerous driving techniques. Reduce vehicle speed and be especially careful when driving and cornering on slippery surfaces and always drive carefully. Starting and driving 5-27