Toyota Highlander Owners Manual: Theft deterrent system

Exhaust gas precautions

Harmful substance to the human body is included in exhaust gases if inhaled Warning Exhaust gases include harmful carbon monoxide (co), which is colorless and odorless. Observe the ...

Engine immobilizer system

The vehicle’s keys have built-in transponder chips that prevent the engine from starting if a key has not been previously registered in the vehicle’s on-board computer. Never leave the keys i ...

More about Toyota Highlander:

On-vehicle inspection
HINT: The cooling fan may rotate when the ignition switch is turned from ACC to ON. This is normal. 1. CHECK COOLING FAN OPERATION WITH LOW TEMPERATURE (Below 83 C (181 F)) (a) Turn the ignition switch ON. (b) Check that the cooling fan stops. If not, check the cooling fan relay and ECT sen ...