2010 Buick LaCrosse Owner's Manual - Page 249

Driving and Operating Notice: If the vehicle seems to accelerate slowly or not shift gears when you go faster, and you continue to drive the vehicle that way, you could damage the transmission. Have the vehicle serviced right away. You can drive in L (Low) when you are driving less than 56 km/h (35 mph) and D (Drive) for higher speeds until then. Manual Mode: This position is shown on the shifter as a +/−. It allows the driver to select the gears appropriate for current driving conditions. See Manual Mode on page 8‑29 for more information. 8-29 Manual Mode Driver Shift Control (DSC) Notice: If you drive the vehicle at high RPMs without upshifting while using Driver Shift Control (DSC), you could damage the vehicle. Always upshift when necessary while using DSC. Driver Shift Control (DSC) allows you to shift an automatic transmission similar to a manual transmission. To use the DSC feature: With Selective Ride Control 1. Move the shift lever to the left from D (Drive). The vehicle will be in Sport Mode. The gear indicator in the DIC will still display a D for Drive, and the Sport Mode On message will be displayed momentarily. See Driver Information Center (DIC) on page 4‑25. When you are in Sport Mode, the vehicle will still shift automatically, but chassis tuning is modified. See Selective Ride Control on page 8‑36. If you move the shift lever forward or rearward, the transmission will enter Manual Mode, and the DIC gear indicator will change to an M followed by a number representing the gear the vehicle is currently in. 2. In Manual Mode, press the shift lever forward to upshift or rearward to downshift. Without Selective Ride Control 1. Move the shift lever to the left from D (Drive). The transmission will enter Manual Mode. The DIC gear indicator will change to an M followed by a number representing the gear the vehicle is currently in. 2. In Manual Mode, press the shift lever forward to upshift or rearward to downshift.