Toyota Highlander Owners Manual: Before driving

Driving

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Driving the vehicle

The following procedures should be observed to ensure safe driving: ...

More about Toyota Highlander:

High beam automatic turning on or off conditions
When all of the following conditions are met, the high beam will be automatically turned on (after approximately 1 second):  vehicle speed is above approximately 21 mph (34 km/h).  The area ahead of the vehicle is dark.  There are no oncoming or preceding vehicles with headli ...