check engine VOLKSWAGEN ID.4 2021 Owners Manual

cooling system when the engine is hot and
could cause damage.
x If a large amount of coolant has been lost,
do not refill the coolant until the engine
has cooled completely. Hea
vy coolant loss
is an indication of leaks in the cooling sys-
tem. The cooling system should be
checked by a qualified workshop as soon
as possible. Failure to do so can result in
engine damage.
x Do not refill coolant if there is no more
coolant in the coolant expansion tank. Air
could have entered the cooling system. Do
not drive on! Seek expert assistance. Fail-
ure to do so can result in engine damage.
x When refilling service fluids, please ensure
that you pour the correct service fluids in-
to the correct openings. The use of incor-
rect service fluids can result in serious
malfunctions and damage to the electric
drive. Troubleshooting
Please refer to , and on page 309
and at the start of the chapter on page
315. Coolant
The indicator lamp flashes red.
Engine coolant temperature too high or en-
gine coolant le

vel too low. Do not driv

e on!
Stop the vehicle as soon as possible and
when safe to do so.