2009 Buick LaCrosse Owner's Manual - Page 293

Then, without shutting off the engine, follow these steps: The transmission fluid dipstick handle has this symbol on it, and is located near the rear of the engine compartment. How to Add Automatic Transmission Fluid Refer to the Maintenance Schedule to determine what kind of transmission fluid to use. See Recommended Fluids and Lubricants on page 6-11. If the fluid level is low, add only enough of the proper fluid to bring the level into the crosshatched area on the dipstick. See Engine Compartment Overview on page 5-12 for more information on location. 1. Pull out the dipstick and wipe it with a clean rag or paper towel. 2. Push it back in all the way, wait three seconds and then pull it back out again. 1. Pull out the dipstick. 2. Using a long-neck funnel, add enough fluid at the dipstick hole to bring it to the proper level. It does not take much fluid, generally less than one pint (0.5 L). Do not overfill. Notice: Use of the incorrect automatic transmission fluid may damage the vehicle, and the damages may not be covered by the vehicle's warranty. Always use the automatic transmission fluid listed in Recommended Fluids and Lubricants on page 6-11. 3. After adding fluid, recheck the fluid level as described under "How to Check Automatic Transmission Fluid," earlier in this section. 3. Check both sides of the dipstick, and read the lower level. The fluid level must be in the crosshatched area. 4. If the fluid level is in the acceptable range, push the dipstick back in all the way. 4. When the correct fluid level is obtained, push the dipstick back in all the way. 5-23