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:

Horn system
LOCATION INSPECTION 1. INSPECT RELAY (HORN) (a) Remove the HORN relay from the engine room J/B. (b) Measure the HORN relay resistance. Standard: 2. INSPECT HIGH PITCHED HORN ASSY (a) Check operation of the horn. Standard: If the result is not as specified, replace the horn ...