Buick LaCrosse: Total Weight on Your Vehicle's 
Tires - Trailer Towing (Except eAssist) - Towing - Driving and Operating - Buick LaCrosse Owners ManualBuick LaCrosse: Total Weight on Your Vehicle's Tires

Be sure the vehicle's tires are inflated to the upper limit for cold tires. These numbers can be found on the Information label. See Vehicle Load Limits.

Make sure not to go over the GVW limit for the vehicle, including the weight of the trailer tongue.

    Weight of the Trailer Tongue
    The tongue load (A) of any trailer is an important weight to measure because it affects the total gross weight of the vehicle. The Gross Vehicle Weight (GVW) includes the curb weight of the ...

    Trailer Towing (eAssist)
    The vehicle is neither designed nor intended to tow a trailer. ...

    See also:

    Maintenance Replacement Parts
    Replacement parts identified below by name, part number, or specification can be obtained from your dealer. ...

    Tire identification marks
    Tire size 255/50 R 19 103 Y 255: nominal width in mm 50: aspect ratio in % R: radial tire code 19: rim diameter in inches 103: load rating, not for ZR tires Y: speed rating, before the R on ZR ...

    Installing forward facing child restraint
    1. Place the child restraint system in the rear seating position. 2. Run the lap and shoulder belt through or around the child restraint system following the instructions provided by its manufact ...