5158-1. Specifications
HIGHLANDER HV_U
8
Vehicle specifications
adversely affected.
The malfunction indicator lamp on 
the instrument cluster may come on. 
If this happens, contact your Toyota 
dealer for service.
■If your engine knocks
●Consult your Toyota dealer.
●You may occasionally notice light 
knocking for a short time while 
accelerating or dr iving uphill. This 
is normal and there is no need for 
concern.
NOTICE
■Notice on fuel quality
●Do not use impro per fuels. If 
improper fuels are used, the 
engine will be damaged.
●Do not use leaded gasoline.
Leaded gasoline can cause 
damage to your vehicle’s 
three-way catalytic converters 
causing the emission control 
system to malfunction.
●Do not use gasohol other than 
the type previously stated.
Other gasohol may cause fuel 
system damage or vehicle per-
formance problems.
●Using unleaded gasoline with 
an octane number or rating 
lower than the l evel previously 
stated may cause persistent 
heavy knocking.
At worst, this may lead to 
engine damage an d will void the 
vehicle warranty.
■When refueling with gasohol
Take care not to spill gasohol. It 
can damage your vehicle’s paint.
■Fuel-related p oor driveability
If poor driveability (poor hot start-
ing, vaporization, engine knock-
ing, etc.) is encountered after 
using a different type of fuel, dis-
continue the use  of that type of 
fuel.