Turn The Lka Off While Driving In Any Of The Following Conditions... - Toyota Avensis Owner's Manual

2-4. Using other driving systems
CAUTION
 Turn the LKA off while driving in any of the following conditions
Do not use LKA in any of the following situations.
Otherwise, the system may not function correctly and could result in an acci-
dent.
 When driving with snow tires, tire chains, a spare tire, or similar equip-
ment.
 When driving with non-standard parts or aftermarket equipment installed.
(including modified tires and suspensions, etc.)
 When towing a trailer.
 When there are objects or structures along the roadside that might be mis-
interpreted as lane markers (such as guardrails, curb, reflector posts, etc.).
 When there are wheel ruts, icy trademarks, etc. or if snow remains on the
road surface.
 When there are shadows on the road running parallel with lane markers,
or if a shadow covers the lane markers.
 When there are visible lines on the pavement from road repairs, or if the
remains of old lane markers are still visible on the road.
When driving on slippery roads, such as those covered with rain, ice or

snow.
 When driving in a lane other than the driving or passing lanes on a freeway
or highway.
 When driving on a road with lane closures due to maintenance, or when
driving in a temporary lane.
 When driving on winding roads or roads that are rough or uneven.
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