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154 4-1. Before driving Coupler Trailer ball ■ Before towing Check that the following conditions are met: ● Ensure that your vehicle’s tires are prop- erly inflated. ( ● Trailer tires are inflated according to the trailer manufacturer’s recommendation. ● All trailer lights work as required by law. ● All lights work each time you connect them. ● The trailer ball is set at the proper height for the coupler on the trailer. ● The trailer is level when it is hitched. Do not drive if the trailer is not level, and check for improper tongue weight, over- loading, worn suspension, or other possi- ble causes. ● The trailer cargo is securely loaded. ● The rear view mirrors conform to all applicable federal, state/provincial or local regulations. If they do not, install rear view mirrors appropriate for towing purposes. ■ AVS (Adaptive Variable Suspension System) (if equipped) The suspension can be switched for improvement in driveability. ( ■ Break-in schedule If your vehicle is new or equipped with any new power train components (such as an engine, transmission, differential or wheel bearing), Lexus recommends that you do not tow a trailer until the vehicle has been driven for over 500 miles (800 km). After the vehicle has been driven for over 500 miles (800 km), you can start towing. However, for the next 500 miles (800 km), drive the vehicle at a speed of less than 50 mph (80 km/h) when towing a trailer, and avoid full throttle acceleration. ■ Maintenance ● If you tow a trailer, your vehicle will require more frequent maintenance due to the additional load. (See “Warranty and Services Guide”, “Owner’s Manual Supplement” or “Scheduled Mainte- nance”.) ● Retighten the fixing bolts of the towing ball and bracket after approximately 600 miles (1000 km) of trailer towing. ■ If trailer sway occurs One or more factors (crosswinds, passing vehicles, rough roads, etc.) can adversely affect handling of your vehicle and trailer, causing instability. ● If trailer swaying occurs: • Firmly grip the steering wheel. Steer straight ahead. Do not try to control trailer swaying by turning the steering wheel. • Begin releasing the accelerator pedal immediately but very gradually to reduce speed. Do not increase speed. Do not apply vehicle brakes. If you make no extreme correction with the steering or brakes, your vehicle and trailer should stabilize. ● After the trailer swaying has stopped: • Stop in a safe place. Get all occupants out of the vehicle. • Check the tires of the vehicle and the trailer. • Check the load in the trailer. Make sure the load has not shifted. Make sure the tongue weight is appropri- ate, if possible. A B |