2007 Volvo S40 Owner's Manual - Page 130

the vehicle shows a tendency to skid or slide laterally. 143 06 Starting and driving Stability system This is one of the stability system's permanent functions and cannot be switched off. WARNING The car's handling and stability characteristics will be altered if the STC/DSTC system functions have been disabled. STC/DSTC-related messages in the text window "TRACTION CONTROL TEMPORARILY OFF" - The system has been temporarily switched off due to high brake temperature and will automatically switch on again when the brakes have cooled. "ANTI SKID SERVICE REQUIRED" - the system has been automatically disengaged due to a fault. An authorized Volvo retailer should check the system. Symbols in the instrument panel The Stability Control indicator light This light indicates different conditions, depending on how it illuminates. The Stability Control indicator light illuminates for approximately 2 seconds This indicates that the system is performing a self-diagnostic test when the ignition is switched on. The Stability Control indicator light flashes This indicates that the stability system is actively functioning to help counteract wheel spin and/or a skid. The Stability Control indicator light glows steadily "ANTI SKID SERVICE REQUIRED" will be displayed in the text window at the same time. A fault is indicated in the stability system. 1. Stop the vehicle in a safe place and switch off the engine. 2. Restart the engine. 3. If the indicator light goes out, the fault was temporary and no further action is required. 4. If the indicator light remains on, drive to an authorized Volvo workshop as soon as possible to have the system checked. The Stability Control indicator light glows steadily If "STC/DSTC SPIN CONTROL OFF" is displayed in the text window at the same time, this is a reminder that spin control has been disabled by the driver. The warning symbol The warning symbol glows steadily yellow