Buick Lucerne 2007 Owner's Manual page 314

Dinghy Towing
Notice: If you tow your vehicle with all
four wheels on the ground, the drivetrain
components could be damaged. The repairs
would not be covered by your warranty.
Do not tow your vehicle with all four wheels
on the ground.
Your vehicle was not designed to be towed with
all four wheels on the ground. If your vehicle must
be towed, you should use a dolly. See "Dolly
Towing" that follows for more information.
314
Dolly Towing
Your vehicle can be towed using a dolly. To tow
your vehicle using a dolly, follow these steps:
1. Put the front wheels on the dolly.
2. Put the vehicle in PARK (P).
3. Set the parking brake and then remove
the key.
4. Clamp the steering wheel in a straight-ahead
position.
5. Release the parking brake.