484
4-3. Do-it-yourself maintenance
RX450h_U
Power control unit coolant reservoir
Reservoir cap
“FULL” line
“LOW” line
If the level is on or below the
“LOW” line, add coolant up to the
“FULL” line. (
→
P. 634)
■
Coolant selection
Only use “Toyota Super Long Life Coolant” or similar high quality ethylene glycol
based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life
hybrid organic acid technology.
U.S.A.: “Toyota Super Long Life Coolant” is a mixture of 50% coolant and
50% deionized water. (Minimum temperature: -31
°
F [-35
°
C])
Canada: “Toyota Super Long Life Coolant” is a mixture of 55% coolant and 45%
deionized water. (Minimum temperature: -44
°
F [-42
°
C])
For more details about coolant, contact your Lexus dealer.
■
If the coolant level drops within a short time of replenishing
Visually check the radiators, hoses, engine/power control unit coolant reservoir
caps, drain cock and water pump.
If you cannot find a leak, have your Lexus dealer test the cap and check for leaks in
the cooling systems.
Summary of Contents for RX450h 2010
Page 1: ...C 1 M E J S K L U D R 2 3 4 5 6 7 8 9 00 ...
Page 8: ...1 2 3 4 5 6 7 RX450h_U 7 Abbreviation list 674 Alphabetical index 676 Whattodo if 686 Index ...
Page 155: ...154 1 8 Safety information RX450h_U ...
Page 294: ...293 2 5 Drivinginformation 2 When driving RX450h_U ...
Page 507: ...506 4 3 Do it yourselfmaintenance RX450h_U Type B ...
Page 555: ...554 4 3 Do it yourselfmaintenance RX450h_U ...
Page 667: ...666 6 3 Initialization RX450h_U ...
Page 673: ...672 RX450h_U ...